Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
5901	Solve Using an Inverse Matrix	8x-2y=7 , 2x+y=4	$8 x - 2 y = 7$ , $2 x + y = 4$
5902	Solve Using an Inverse Matrix	y=6/5x-6 , 6x-5y=30	$y = \frac{6}{5} x - 6$ , $6 x - 5 y = 30$
5903	Solve Using an Inverse Matrix	8x-9y=20 , 4x-15y=17	$8 x - 9 y = 20$ , $4 x - 15 y = 17$
5904	Solve Using an Inverse Matrix	-8x-9y=-8 , 2x-3y=2	$- 8 x - 9 y = - 8$ , $2 x - 3 y = 2$
5905	Solve Using an Inverse Matrix	8x-y+3z=-24 , -2y+3z=-4 , 3x+2y+8z=-46	$8 x - y + 3 z = - 24$ , $- 2 y + 3 z = - 4$ , $3 x + 2 y + 8 z = - 46$
5906	Solve Using an Inverse Matrix	3x+y=10 , 9x+3y=9	$3 x + y = 10$ , $9 x + 3 y = 9$
5907	Solve Using an Inverse Matrix	9 square root of 5=(3 square root of 5y) , 34=(2 square root of 5)x+y	$9 \sqrt{5} = (3 \sqrt{5} y)$ , $34 = (2 \sqrt{5}) x + y$
5908	Solve Using an Inverse Matrix	-9=a(2)^2+b(2)+c , -9=4a+2b+c , 4a+2b+c=-9	$- 9 = a {(2)}^{2} + b (2) + c$ , $- 9 = 4 a + 2 b + c$ , $4 a + 2 b + c = - 9$
5909	Solve Using an Inverse Matrix	9s-5t=-6 , 5s-3t=-2	$9 s - 5 t = - 6$ , $5 s - 3 t = - 2$
5910	Find the Domain	y=x-5	$y = x - 5$
5911	Solve Using an Inverse Matrix	-9x+3y+3z=-9 , 6x+2y+5z=24 , 3x+6y+3z=18	$- 9 x + 3 y + 3 z = - 9$ , $6 x + 2 y + 5 z = 24$ , $3 x + 6 y + 3 z = 18$
5912	Solve Using an Inverse Matrix	9x+3y=3/10 , y=2x-2	$9 x + 3 y = \frac{3}{10}$ , $y = 2 x - 2$
5913	Solve Using an Inverse Matrix	9x+4y+2z=20 , -8x+2y+5z=18 , -2x+6y+2z=28	$9 x + 4 y + 2 z = 20$ , $- 8 x + 2 y + 5 z = 18$ , $- 2 x + 6 y + 2 z = 28$
5914	Solve Using an Inverse Matrix	9x+4y=-3 , -2x+7y=-94	$9 x + 4 y = - 3$ , $- 2 x + 7 y = - 94$
5915	Solve Using an Inverse Matrix	9x+5y=-31 , 3x+6y=-6	$9 x + 5 y = - 31$ , $3 x + 6 y = - 6$
5916	Solve Using an Inverse Matrix	-9x+7y=17 , 6x-5y=-10	$- 9 x + 7 y = 17$ , $6 x - 5 y = - 10$
5917	Solve Using an Inverse Matrix	9x+8y=12 , 1x+10y=7	$9 x + 8 y = 12$ , $1 x + 10 y = 7$
5918	Solve Using an Inverse Matrix	9x+8y=15 , 3x+3y=5	$9 x + 8 y = 15$ , $3 x + 3 y = 5$
5919	Solve Using an Inverse Matrix	9x+9y=18 , -9x+y=52	$9 x + 9 y = 18$ , $- 9 x + y = 52$
5920	Solve Using an Inverse Matrix	9x-2y=8 , y=6x-7	$9 x - 2 y = 8$ , $y = 6 x - 7$
5921	Solve Using an Inverse Matrix	-8x+16y=-20 , 4y=2x-5	$- 8 x + 16 y = - 20$ , $4 y = 2 x - 5$
5922	Solve Using an Inverse Matrix	9x-3y=7 , x+2y=0	$9 x - 3 y = 7$ , $x + 2 y = 0$
5923	Solve Using an Inverse Matrix	-9x-5y=2 , 18x+10y=-3	$- 9 x - 5 y = 2$ , $18 x + 10 y = - 3$
5924	Solve Using an Inverse Matrix	9x-5y=-7 , -6x+4y=2	$9 x - 5 y = - 7$ , $- 6 x + 4 y = 2$
5925	Solve Using an Inverse Matrix	9x-7y=16 , x-6y=7	$9 x - 7 y = 16$ , $x - 6 y = 7$
5926	Solve Using an Inverse Matrix	9x-7y=63 , 45x-35y=18	$9 x - 7 y = 63$ , $45 x - 35 y = 18$
5927	Solve Using an Inverse Matrix	-9x-y=-23 , y=-5x+11	$- 9 x - y = - 23$ , $y = - 5 x + 11$
5928	Solve Using an Inverse Matrix	a*1=3 , d=4	$a \cdot 1 = 3$ , $d = 4$
5929	Solve Using an Inverse Matrix	a*16=18 , d=5	$a \cdot 16 = 18$ , $d = 5$
5930	Solve Using an Inverse Matrix	a+4.00b+1.90c=5 , a+3.50b+0.95c=3 , a+7.00b+4010c=10	$a + 4 b + 1.9 c = 5$ , $a + 3.5 b + 0.95 c = 3$ , $a + 7 b + 4010 c = 10$
5931	Solve Using an Inverse Matrix	a+4b+2.10c=5 , a+1.5b+1.35c=3 , a+6b+5.10c=9	$a + 4 b + 2.1 c = 5$ , $a + 1.5 b + 1.35 c = 3$ , $a + 6 b + 5.1 c = 9$
5932	Solve Using an Inverse Matrix	a+9b=3 , a+4b=-2	$a + 9 b = 3$ , $a + 4 b = - 2$
5933	Solve Using an Inverse Matrix	a=2 , r=1/5	$a = 2$ , $r = \frac{1}{5}$
5934	Solve Using an Inverse Matrix	a-3b-c=1 , -2a+4b=2 , 6a-4b+3c=3	$a - 3 b - c = 1$ , $- 2 a + 4 b = 2$ , $6 a - 4 b + 3 c = 3$
5935	Solve Using an Inverse Matrix	a-b=8 , a+b=20	$a - b = 8$ , $a + b = 20$
5936	Solve Using an Inverse Matrix	b=5 , c=10	$b = 5$ , $c = 10$
5937	Solve Using an Inverse Matrix	C+B=10 , D+B=20 , D+C=24	$C + B = 10$ , $D + B = 20$ , $D + C = 24$
5938	Solve Using an Inverse Matrix	d+s=500 , 7.5d+4.5s=2850	$d + s = 500$ , $7.5 d + 4.5 s = 2850$
5939	Solve Using an Inverse Matrix	m=5n , 3m-n+6=0	$m = 5 n$ , $3 m - n + 6 = 0$
5940	Solve Using an Inverse Matrix	p=2l+2w , l=27 , w=51	$p = 2 l + 2 w$ , $l = 27$ , $w = 51$
5941	Solve Using an Inverse Matrix	q+n=71 , 0.25q+0.05n=12.75	$q + n = 71$ , $0.25 q + 0.05 n = 12.75$
5942	Solve Using an Inverse Matrix	q+n=84 , 0.25q+0.05=11.60	$q + n = 84$ , $0.25 q + 0.05 = 11.6$
5943	Solve Using an Inverse Matrix	(2x+4y)=13 , (-x+2y)=8	$(2 x + 4 y) = 13$ , $(- x + 2 y) = 8$
5944	Solve Using an Inverse Matrix	(2x+4y)=2200 , ((2x-0.1x)+(4y-0.2y))x+y=960	$(2 x + 4 y) = 2200$ , $((2 x - 0.1 x) + (4 y - 0.2 y)) x + y = 960$
5945	Solve Using an Inverse Matrix	6x-y=16 , x+9y=21	$6 x - y = 16$ , $x + 9 y = 21$
5946	Solve Using an Inverse Matrix	6x-y=17 , 4x+y=13	$6 x - y = 17$ , $4 x + y = 13$
5947	Solve Using an Inverse Matrix	6x-y=28 , x+5y=15	$6 x - y = 28$ , $x + 5 y = 15$
5948	Solve Using an Inverse Matrix	6x-y=-5 , 7x+3y=-60	$6 x - y = - 5$ , $7 x + 3 y = - 60$
5949	Solve Using an Inverse Matrix	6x-y=-8 , y=-3x-1 , -2y-z=-7	$6 x - y = - 8$ , $y = - 3 x - 1$ , $- 2 y - z = - 7$
5950	Solve Using an Inverse Matrix	6y=x-3 , y=5x+1	$6 y = x - 3$ , $y = 5 x + 1$
5951	Solve Using an Inverse Matrix	70x+70y=52500 , 50x+70y=45000	$70 x + 70 y = 52500$ , $50 x + 70 y = 45000$
5952	Solve Using an Inverse Matrix	7a-3b=18 , 3a+4b=2	$7 a - 3 b = 18$ , $3 a + 4 b = 2$
5953	Solve Using an Inverse Matrix	7x+18y=18 , 9x-3y=-3	$7 x + 18 y = 18$ , $9 x - 3 y = - 3$
5954	Solve Using an Inverse Matrix	7x+2y=10 , 5x+2y=6	$7 x + 2 y = 10$ , $5 x + 2 y = 6$
5955	Solve Using an Inverse Matrix	-7x+2y=18 , 6x+6y=0	$- 7 x + 2 y = 18$ , $6 x + 6 y = 0$
5956	Solve Using an Inverse Matrix	7x+2y=19 , 7x+8y=13	$7 x + 2 y = 19$ , $7 x + 8 y = 13$
5957	Solve Using an Inverse Matrix	7x+2y=71 , 5x-y=41	$7 x + 2 y = 71$ , $5 x - y = 41$
5958	Solve Using an Inverse Matrix	7x+3y=15 , 2x=y+8	$7 x + 3 y = 15$ , $2 x = y + 8$
5959	Solve Using an Inverse Matrix	-7x+3y=8 , -2x+y=2	$- 7 x + 3 y = 8$ , $- 2 x + y = 2$
5960	Solve Using an Inverse Matrix	7x+4y=-4 , 6x-8y=88	$7 x + 4 y = - 4$ , $6 x - 8 y = 88$
5961	Solve Using an Inverse Matrix	-7x+5y=8 , y=-4x+7	$- 7 x + 5 y = 8$ , $y = - 4 x + 7$
5962	Solve Using an Inverse Matrix	7x+6y=-45 , 3x+4y=-25	$7 x + 6 y = - 45$ , $3 x + 4 y = - 25$
5963	Solve Using an Inverse Matrix	7x+8y=34 , x+y=5	$7 x + 8 y = 34$ , $x + y = 5$
5964	Solve Using an Inverse Matrix	-7x=23+10y , -3y=-3x+12	$- 7 x = 23 + 10 y$ , $- 3 y = - 3 x + 12$
5965	Solve Using an Inverse Matrix	7x=28-14y , 9x+3y=12	$7 x = 28 - 14 y$ , $9 x + 3 y = 12$
5966	Solve Using an Inverse Matrix	7x-11y=0 , -2x+11y=5	$7 x - 11 y = 0$ , $- 2 x + 11 y = 5$
5967	Solve Using an Inverse Matrix	7x-2y=1 , -3x+5y=-3	$7 x - 2 y = 1$ , $- 3 x + 5 y = - 3$
5968	Solve Using an Inverse Matrix	-7x-2y=13 , x-2y=11	$- 7 x - 2 y = 13$ , $x - 2 y = 11$
5969	Solve Using an Inverse Matrix	7x-3y=-12 , x+3y=-12	$7 x - 3 y = - 12$ , $x + 3 y = - 12$
5970	Solve Using an Inverse Matrix	7x-3y=48 , x+0.5y=5	$7 x - 3 y = 48$ , $x + 0.5 y = 5$
5971	Solve Using an Inverse Matrix	7x-4y=37 , 6x+3y=51	$7 x - 4 y = 37$ , $6 x + 3 y = 51$
5972	Solve Using an Inverse Matrix	-7x-4y=6 , 70x+40y=-59	$- 7 x - 4 y = 6$ , $70 x + 40 y = - 59$
5973	Solve Using an Inverse Matrix	7x-4y=60 , 2x-5y=21	$7 x - 4 y = 60$ , $2 x - 5 y = 21$
5974	Solve Using an Inverse Matrix	4x+2y=0 , x+y=1	$4 x + 2 y = 0$ , $x + y = 1$
5975	Solve Using an Inverse Matrix	4x+2y=0 , 8x+4y=5	$4 x + 2 y = 0$ , $8 x + 4 y = 5$
5976	Solve Using an Inverse Matrix	4x+2y=2 , y=-2x+2	$4 x + 2 y = 2$ , $y = - 2 x + 2$
5977	Solve Using an Inverse Matrix	-4x+2y=-56 , -3x-6y=3	$- 4 x + 2 y = - 56$ , $- 3 x - 6 y = 3$
5978	Solve Using an Inverse Matrix	4x+2y-5z=50 , 5x-4y+2z=39 , x-2y=15	$4 x + 2 y - 5 z = 50$ , $5 x - 4 y + 2 z = 39$ , $x - 2 y = 15$
5979	Solve Using an Inverse Matrix	4x+3y=1 , x=-3	$4 x + 3 y = 1$ , $x = - 3$
5980	Solve Using an Inverse Matrix	4x+3y=-2 , 2x-2y=-8	$4 x + 3 y = - 2$ , $2 x - 2 y = - 8$
5981	Solve Using an Inverse Matrix	x+y+z=13 , 2x+5y+6z=51 , 7x-y=28	$x + y + z = 13$ , $2 x + 5 y + 6 z = 51$ , $7 x - y = 28$
5982	Solve Using an Inverse Matrix	x+y+z=2 , 4x+5y+z=12 , 2x=-4	$x + y + z = 2$ , $4 x + 5 y + z = 12$ , $2 x = - 4$
5983	Solve Using an Inverse Matrix	x+y+z=2 , 4x+9y+z=16 , x-4y+4z=4	$x + y + z = 2$ , $4 x + 9 y + z = 16$ , $x - 4 y + 4 z = 4$
5984	Solve Using an Inverse Matrix	x+y+z=24000 , 0.01x+0.02y+0.03z=440 , x-3y=0	$x + y + z = 24000$ , $0.01 x + 0.02 y + 0.03 z = 440$ , $x - 3 y = 0$
5985	Solve Using an Inverse Matrix	x+y+z=-3 , 3y-z=4 , 2x-y-2z=-5	$x + y + z = - 3$ , $3 y - z = 4$ , $2 x - y - 2 z = - 5$
5986	Solve Using an Inverse Matrix	-x+y+z=-3 , -z+3y-5z=-11 , 4x-y-13z=0	$- x + y + z = - 3$ , $- z + 3 y - 5 z = - 11$ , $4 x - y - 13 z = 0$
5987	Solve Using an Inverse Matrix	x+y+z=39 , x+z=y+23 , y+z=2x	$x + y + z = 39$ , $x + z = y + 23$ , $y + z = 2 x$
5988	Solve Using an Inverse Matrix	x+y+z=4 , 3x+2y+2=3 , 2x+y=-1	$x + y + z = 4$ , $3 x + 2 y + 2 = 3$ , $2 x + y = - 1$
5989	Solve Using an Inverse Matrix	x+y+z=4 , x-y+4z=22 , 2x+y+z=7	$x + y + z = 4$ , $x - y + 4 z = 22$ , $2 x + y + z = 7$
5990	Solve Using an Inverse Matrix	x+y+z=5 , -2x-3y+2z=8 , 3x-y-2z=3	$x + y + z = 5$ , $- 2 x - 3 y + 2 z = 8$ , $3 x - y - 2 z = 3$
5991	Solve Using an Inverse Matrix	x+y+z=5 , -4y+5z=24 , -3x+5y-2z=-19	$x + y + z = 5$ , $- 4 y + 5 z = 24$ , $- 3 x + 5 y - 2 z = - 19$
5992	Solve Using an Inverse Matrix	x+y+z=5 , x+y-4z=10 , -4x+y+z=0	$x + y + z = 5$ , $x + y - 4 z = 10$ , $- 4 x + y + z = 0$
5993	Solve Using an Inverse Matrix	x+y+z=53 , x-y-z=-3 , 2z-x=-13	$x + y + z = 53$ , $x - y - z = - 3$ , $2 z - x = - 13$
5994	Solve Using an Inverse Matrix	x+y+z=6 , 2x-y+3z=8 , x+2y=4	$x + y + z = 6$ , $2 x - y + 3 z = 8$ , $x + 2 y = 4$
5995	Solve Using an Inverse Matrix	x+y+z=6 , 2x-y+z=3 , 3x-z=0	$x + y + z = 6$ , $2 x - y + z = 3$ , $3 x - z = 0$
5996	Solve Using an Inverse Matrix	x+y+z=6 , x-y+z=2 , -x+5y-z=6	$x + y + z = 6$ , $x - y + z = 2$ , $- x + 5 y - z = 6$
5997	Solve Using an Inverse Matrix	x+3y=15 , x+y=5	$x + 3 y = 15$ , $x + y = 5$
5998	Solve Using an Inverse Matrix	x+3y=17 , 2x-y=6	$x + 3 y = 17$ , $2 x - y = 6$
5999	Solve Using an Inverse Matrix	x+3y=-2 , 2x+5y=-5	$x + 3 y = - 2$ , $2 x + 5 y = - 5$
6000	Solve Using an Inverse Matrix	x+3y=20 , 4x-y=15	$x + 3 y = 20$ , $4 x - y = 15$