Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
6801	Solve Using an Inverse Matrix	x-2y=11 , 2x-4y=-15	$x - 2 y = 11$ , $2 x - 4 y = - 15$
6802	Solve Using an Inverse Matrix	-x+y=2 , 5x-4y=-3	$- x + y = 2$ , $5 x - 4 y = - 3$
6803	Solve Using an Inverse Matrix	x+y=2 , 2x-3y=19	$x + y = 2$ , $2 x - 3 y = 19$
6804	Solve Using an Inverse Matrix	x+y=2 , 3x+2y=5	$x + y = 2$ , $3 x + 2 y = 5$
6805	Solve Using an Inverse Matrix	x+y=2 , x+4y=-4	$x + y = 2$ , $x + 4 y = - 4$
6806	Solve Using an Inverse Matrix	x+y=2 , -x+y=0	$x + y = 2$ , $- x + y = 0$
6807	Solve Using an Inverse Matrix	x+y=-2 , -x+y=2	$x + y = - 2$ , $- x + y = 2$
6808	Solve Using an Inverse Matrix	x+y=2 , x-2y=4	$x + y = 2$ , $x - 2 y = 4$
6809	Solve Using an Inverse Matrix	x+y=-2 , x-3y=18	$x + y = - 2$ , $x - 3 y = 18$
6810	Solve Using an Inverse Matrix	x+y=2 , x-y=0	$x + y = 2$ , $x - y = 0$
6811	Solve Using an Inverse Matrix	x+y=-2 , x-y=4	$x + y = - 2$ , $x - y = 4$
6812	Solve Using an Inverse Matrix	x+y=2 , x-y=-8	$x + y = 2$ , $x - y = - 8$
6813	Solve Using an Inverse Matrix	x+y=20 , y=4x	$x + y = 20$ , $y = 4 x$
6814	Solve Using an Inverse Matrix	x+y=200 , 10(x)+45(y)=7250	$x + y = 200$ , $10 (x) + 45 (y) = 7250$
6815	Solve Using an Inverse Matrix	x+y=24 , 5x=1y	$x + y = 24$ , $5 x = 1 y$
6816	Solve Using an Inverse Matrix	x+y=280 , 0.14x+0.07y=(280)(0.13)	$x + y = 280$ , $0.14 x + 0.07 y = (280) (0.13)$
6817	Solve Using an Inverse Matrix	x+y=29 , 1.15x+2.20y=40.6	$x + y = 29$ , $1.15 x + 2.2 y = 40.6$
6818	Solve Using an Inverse Matrix	x+y=-3 , x-y=1	$x + y = - 3$ , $x - y = 1$
6819	Solve Using an Inverse Matrix	x+y=3 , x-y=-1	$x + y = 3$ , $x - y = - 1$
6820	Solve Using an Inverse Matrix	x+y=3 , x-y=5	$x + y = 3$ , $x - y = 5$
6821	Solve Using an Inverse Matrix	x+y=3 , y=2x	$x + y = 3$ , $y = 2 x$
6822	Solve Using an Inverse Matrix	x+y=30 , 0.40x+0.70y=0.60(30)	$x + y = 30$ , $0.4 x + 0.7 y = 0.6 (30)$
6823	Solve Using an Inverse Matrix	x+y=30 , x-y=26	$x + y = 30$ , $x - y = 26$
6824	Solve Using an Inverse Matrix	x+y=320 , 0.05x+0.15y=0.07*320	$x + y = 320$ , $0.05 x + 0.15 y = 0.07 \cdot 320$
6825	Solve Using an Inverse Matrix	x+y=36 , 94y+125x=4004	$x + y = 36$ , $94 y + 125 x = 4004$
6826	Solve Using an Inverse Matrix	x+y=380 , 0.08x+0.13y=0.11*380	$x + y = 380$ , $0.08 x + 0.13 y = 0.11 \cdot 380$
6827	Solve Using an Inverse Matrix	x+y=390 , 0.07x+0.09y=390	$x + y = 390$ , $0.07 x + 0.09 y = 390$
6828	Solve Using an Inverse Matrix	x+y=4 , x-y=-6	$x + y = 4$ , $x - y = - 6$
6829	Solve Using an Inverse Matrix	x+y=4 , y=-3x	$x + y = 4$ , $y = - 3 x$
6830	Solve Using an Inverse Matrix	x+y=4 , 2x+3y=0	$x + y = 4$ , $2 x + 3 y = 0$
6831	Solve Using an Inverse Matrix	x+y=4 , 2x-3y=-2	$x + y = 4$ , $2 x - 3 y = - 2$
6832	Solve Using an Inverse Matrix	x+y=4 , 2x-y=-1	$x + y = 4$ , $2 x - y = - 1$
6833	Solve Using an Inverse Matrix	-x+y=4 , 3x-2y=-7	$- x + y = 4$ , $3 x - 2 y = - 7$
6834	Solve Using an Inverse Matrix	-x+y=4 , x+y=4	$- x + y = 4$ , $x + y = 4$
6835	Solve Using an Inverse Matrix	x+y=-4 , x-y=14	$x + y = - 4$ , $x - y = 14$
6836	Solve Using an Inverse Matrix	x+y=40 , x/20-y/5=-1	$x + y = 40$ , $\frac{x}{20} - \frac{y}{5} = - 1$
6837	Solve Using an Inverse Matrix	x+y=40 , 0.08x+0.03y=1.7	$x + y = 40$ , $0.08 x + 0.03 y = 1.7$
6838	Solve Using an Inverse Matrix	x+y=4000 , 0.05x+0.06y=230	$x + y = 4000$ , $0.05 x + 0.06 y = 230$
6839	Solve Using an Inverse Matrix	x+y=60 , 0.35x+0.8y=0.65(60)	$x + y = 60$ , $0.35 x + 0.8 y = 0.65 (60)$
6840	Solve Using an Inverse Matrix	x+y=60 , 25x+15y=1100	$x + y = 60$ , $25 x + 15 y = 1100$
6841	Solve Using an Inverse Matrix	x+y=-7 , 5x-y=-5	$x + y = - 7$ , $5 x - y = - 5$
6842	Solve Using an Inverse Matrix	x+y=7 , x+y=-3	$x + y = 7$ , $x + y = - 3$
6843	Solve Using an Inverse Matrix	x+y=70 , 20x+30y=1800	$x + y = 70$ , $20 x + 30 y = 1800$
6844	Solve Using an Inverse Matrix	x+y=70 , 5x+10y=600	$x + y = 70$ , $5 x + 10 y = 600$
6845	Solve Using an Inverse Matrix	x+y=-8 , x-y=-2	$x + y = - 8$ , $x - y = - 2$
6846	Solve Using an Inverse Matrix	x+y=-9 , 2x+3y=-20	$x + y = - 9$ , $2 x + 3 y = - 20$
6847	Solve Using an Inverse Matrix	x+y=9 , x-1/2y=3	$x + y = 9$ , $x - \frac{1}{2} y = 3$
6848	Solve Using an Inverse Matrix	x+y=9 , x-1/9y=-3	$x + y = 9$ , $x - \frac{1}{9} y = - 3$
6849	Find the Domain	2x+y=4	$2 x + y = 4$
6850	Solve Using an Inverse Matrix	x+y=9 , x-y=7	$x + y = 9$ , $x - y = 7$
6851	Solve Using an Inverse Matrix	x+y=9 , y=-4x	$x + y = 9$ , $y = - 4 x$
6852	Solve Using an Inverse Matrix	x+y=z , 0.16x+0.06y=0.1z , x+y=50	$x + y = z$ , $0.16 x + 0.06 y = 0.1 z$ , $x + y = 50$
6853	Solve Using an Inverse Matrix	x+y-3w=-3 , y+5z+3w=12 , x-z=1 , 5x-y-3w=3	$x + y - 3 w = - 3$ , $y + 5 z + 3 w = 12$ , $x - z = 1$ , $5 x - y - 3 w = 3$
6854	Solve Using an Inverse Matrix	x+y-z=0 , 2x-y+z=9 , x+z=10	$x + y - z = 0$ , $2 x - y + z = 9$ , $x + z = 10$
6855	Solve Using an Inverse Matrix	x+y-z=1 , -x+5y-22=-4 , 4x+3y-3z=8	$x + y - z = 1$ , $- x + 5 y - 22 = - 4$ , $4 x + 3 y - 3 z = 8$
6856	Solve Using an Inverse Matrix	x+y-z=-3 , 2x+4y+z=1 , x-2y-3z=-1	$x + y - z = - 3$ , $2 x + 4 y + z = 1$ , $x - 2 y - 3 z = - 1$
6857	Solve Using an Inverse Matrix	x+y-z=-3 , 4x-y+z=-2 , -x+5y-4z=1	$x + y - z = - 3$ , $4 x - y + z = - 2$ , $- x + 5 y - 4 z = 1$
6858	Solve Using an Inverse Matrix	x+y-z=-4 , 2x+5y+z=25 , x-2y-z=-16	$x + y - z = - 4$ , $2 x + 5 y + z = 25$ , $x - 2 y - z = - 16$
6859	Solve Using an Inverse Matrix	x+y-z=4 , -x-y+3z=-2 , 3x+4y-10z=7	$x + y - z = 4$ , $- x - y + 3 z = - 2$ , $3 x + 4 y - 10 z = 7$
6860	Solve Using an Inverse Matrix	x+y-z=-5 , 2x-y+z=5 , -x+5y-4z=1	$x + y - z = - 5$ , $2 x - y + z = 5$ , $- x + 5 y - 4 z = 1$
6861	Solve Using an Inverse Matrix	x+y-z=6 , x+2y-3z=10 , x+3y-7z=16	$x + y - z = 6$ , $x + 2 y - 3 z = 10$ , $x + 3 y - 7 z = 16$
6862	Solve Using an Inverse Matrix	x=-2/3y , x-4=-2/5*(y+6)	$x = - \frac{2}{3} y$ , $x - 4 = - \frac{2}{5} \cdot (y + 6)$
6863	Solve Using an Inverse Matrix	x=0 , x=0 , 7x+2y=14 , 3x+5y=15	$x = 0$ , $x = 0$ , $7 x + 2 y = 14$ , $3 x + 5 y = 15$
6864	Solve Using an Inverse Matrix	x=1 , y=1	$x = 1$ , $y = 1$
6865	Solve Using an Inverse Matrix	x=-1 , y=5 , z=0	$x = - 1$ , $y = 5$ , $z = 0$
6866	Solve Using an Inverse Matrix	x=1-2y , 5x+3y=12	$x = 1 - 2 y$ , $5 x + 3 y = 12$
6867	Solve Using an Inverse Matrix	x=2+y , 3x-7y=10	$x = 2 + y$ , $3 x - 7 y = 10$
6868	Solve Using an Inverse Matrix	x=22-3y , y=x-2	$x = 22 - 3 y$ , $y = x - 2$
6869	Solve Using an Inverse Matrix	x=2y+4 , 2y=x-6	$x = 2 y + 4$ , $2 y = x - 6$
6870	Solve Using an Inverse Matrix	-x=2y-2 , x+2y=2	$- x = 2 y - 2$ , $x + 2 y = 2$
6871	Solve Using an Inverse Matrix	x=2y-5 , 4x+y=37	$x = 2 y - 5$ , $4 x + y = 37$
6872	Solve Using an Inverse Matrix	x=2y-7 , 2x-7y=-29	$x = 2 y - 7$ , $2 x - 7 y = - 29$
6873	Solve Using an Inverse Matrix	x=3x-2 , y=-x+14	$x = 3 x - 2$ , $y = - x + 14$
6874	Solve Using an Inverse Matrix	x=3y , y=2x	$x = 3 y$ , $y = 2 x$
6875	Solve Using an Inverse Matrix	x=-3y , x+y=2	$x = - 3 y$ , $x + y = 2$
6876	Solve Using an Inverse Matrix	x=3y+4 , -3x+9y=-12	$x = 3 y + 4$ , $- 3 x + 9 y = - 12$
6877	Solve Using an Inverse Matrix	x=3y-8 , 5x+2y=-23	$x = 3 y - 8$ , $5 x + 2 y = - 23$
6878	Solve Using an Inverse Matrix	x=4 , y=5+19x	$x = 4$ , $y = 5 + 19 x$
6879	Solve Using an Inverse Matrix	x=4y , x+y=10	$x = 4 y$ , $x + y = 10$
6880	Solve Using an Inverse Matrix	x=4y+11 , -6y+8x=36	$x = 4 y + 11$ , $- 6 y + 8 x = 36$
6881	Solve Using an Inverse Matrix	x=5 , 2x+y=7	$x = 5$ , $2 x + y = 7$
6882	Solve Using an Inverse Matrix	x=6y+4 , 3x-18y=4	$x = 6 y + 4$ , $3 x - 18 y = 4$
6883	Solve Using an Inverse Matrix	x=6y+6 , -2x+12y=-12	$x = 6 y + 6$ , $- 2 x + 12 y = - 12$
6884	Solve Using an Inverse Matrix	x=6y-1 , -2x+12y=2	$x = 6 y - 1$ , $- 2 x + 12 y = 2$
6885	Solve Using an Inverse Matrix	x=7(y-5) , 4y=3x+5	$x = 7 (y - 5)$ , $4 y = 3 x + 5$
6886	Solve Using an Inverse Matrix	x=y , 0.06x+0.09y=420	$x = y$ , $0.06 x + 0.09 y = 420$
6887	Solve Using an Inverse Matrix	x=y+10 , 16x+16y=1920	$x = y + 10$ , $16 x + 16 y = 1920$
6888	Solve Using an Inverse Matrix	x=y+16 , 3x+8y=-40	$x = y + 16$ , $3 x + 8 y = - 40$
6889	Solve Using an Inverse Matrix	x=y+7 , x+y=5	$x = y + 7$ , $x + y = 5$
6890	Solve Using an Inverse Matrix	x=y-8 , -x-y=0	$x = y - 8$ , $- x - y = 0$
6891	Solve Using an Inverse Matrix	x-10y=0 , x+14y=12	$x - 10 y = 0$ , $x + 14 y = 12$
6892	Solve Using an Inverse Matrix	x-2y+3z=-14 , 2x+2y-z=24 , 3x+4y+6z=106	$x - 2 y + 3 z = - 14$ , $2 x + 2 y - z = 24$ , $3 x + 4 y + 6 z = 106$
6893	Solve Using an Inverse Matrix	x-2y+3z=24 , 2x+2y-z=2 , 3x+4y+6z=80	$x - 2 y + 3 z = 24$ , $2 x + 2 y - z = 2$ , $3 x + 4 y + 6 z = 80$
6894	Solve Using an Inverse Matrix	x-2y+3z=30 , 2x+2y=2 , 3x+4y+6z=80	$x - 2 y + 3 z = 30$ , $2 x + 2 y = 2$ , $3 x + 4 y + 6 z = 80$
6895	Solve Using an Inverse Matrix	x-2y+3z=7 , 2x+y+z=4 , -3x+2y-2z=-10	$x - 2 y + 3 z = 7$ , $2 x + y + z = 4$ , $- 3 x + 2 y - 2 z = - 10$
6896	Solve Using an Inverse Matrix	x-2y+4z=14 , x+y+13z=6 , -2x+6y-z=-10	$x - 2 y + 4 z = 14$ , $x + y + 13 z = 6$ , $- 2 x + 6 y - z = - 10$
6897	Solve Using an Inverse Matrix	x-2y+8=0 , -x+2y=8	$x - 2 y + 8 = 0$ , $- x + 2 y = 8$
6898	Solve Using an Inverse Matrix	x-2y+x=0 , y-3z=-1 , 2y+5z=-2	$x - 2 y + x = 0$ , $y - 3 z = - 1$ , $2 y + 5 z = - 2$
6899	Solve Using an Inverse Matrix	x-2y+z=-3 , y+2z=15 , y+3z=26	$x - 2 y + z = - 3$ , $y + 2 z = 15$ , $y + 3 z = 26$
6900	Find the Domain	y=-2x-1	$y = - 2 x - 1$