Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
5301	Solve Using an Inverse Matrix	5x+2y=-18 , 3x+4y=12	$5 x + 2 y = - 18$ , $3 x + 4 y = 12$
5302	Solve Using an Inverse Matrix	5x+3y=1 , 2x+4y=-8	$5 x + 3 y = 1$ , $2 x + 4 y = - 8$
5303	Solve Using an Inverse Matrix	5x+3y=1 , 3x-2y=12	$5 x + 3 y = 1$ , $3 x - 2 y = 12$
5304	Solve Using an Inverse Matrix	-5x+3y=51 , y=10x-8	$- 5 x + 3 y = 51$ , $y = 10 x - 8$
5305	Solve Using an Inverse Matrix	-5x+4y=2 , 6x-5y=23	$- 5 x + 4 y = 2$ , $6 x - 5 y = 23$
5306	Solve Using an Inverse Matrix	5x+7y=40 , 7x+y=56	$5 x + 7 y = 40$ , $7 x + y = 56$
5307	Solve Using an Inverse Matrix	-5x+y=14 , 9x+14y=38	$- 5 x + y = 14$ , $9 x + 14 y = 38$
5308	Solve Using an Inverse Matrix	5x+y=-8 , 7x-3y=-20	$5 x + y = - 8$ , $7 x - 3 y = - 20$
5309	Solve Using an Inverse Matrix	5x=2600 , 5y=2200	$5 x = 2600$ , $5 y = 2200$
5310	Solve Using an Inverse Matrix	5x=-3y+12 , 8x=-4y+16	$5 x = - 3 y + 12$ , $8 x = - 4 y + 16$
5311	Solve Using an Inverse Matrix	5x=6y+40 , 2y=8-3x	$5 x = 6 y + 40$ , $2 y = 8 - 3 x$
5312	Solve Using an Inverse Matrix	5x-3y=4 , 3x+2y=10	$5 x - 3 y = 4$ , $3 x + 2 y = 10$
5313	Solve Using an Inverse Matrix	5x-6y=16 , 5x+y=2	$5 x - 6 y = 16$ , $5 x + y = 2$
5314	Solve Using an Inverse Matrix	5x-y=-6 , -x+y=2	$5 x - y = - 6$ , $- x + y = 2$
5315	Solve Using an Inverse Matrix	5y+2y=7 , y=x+1	$5 y + 2 y = 7$ , $y = x + 1$
5316	Solve Using an Inverse Matrix	x+y=22 , 10x+25y=295	$x + y = 22$ , $10 x + 25 y = 295$
5317	Solve Using an Inverse Matrix	x+y=3 , -3x+2y=-19	$x + y = 3$ , $- 3 x + 2 y = - 19$
5318	Solve Using an Inverse Matrix	x+y=3 , y=x^2-8x+15	$x + y = 3$ , $y = x^{2} - 8 x + 15$
5319	Solve Using an Inverse Matrix	x+y=30 , 3x+4y=100	$x + y = 30$ , $3 x + 4 y = 100$
5320	Solve Using an Inverse Matrix	x+y=35 , 25x+20y=800	$x + y = 35$ , $25 x + 20 y = 800$
5321	Solve Using an Inverse Matrix	x+y=35 , 40x+20y=1025	$x + y = 35$ , $40 x + 20 y = 1025$
5322	Solve Using an Inverse Matrix	x+y=36 , 10x+50y=1440	$x + y = 36$ , $10 x + 50 y = 1440$
5323	Solve Using an Inverse Matrix	x+y=-4 , 3+x=-4	$x + y = - 4$ , $3 + x = - 4$
5324	Solve Using an Inverse Matrix	x+y=4 , y=x^2-2	$x + y = 4$ , $y = x^{2} - 2$
5325	Solve Using an Inverse Matrix	x+y=43 , x-y=21	$x + y = 43$ , $x - y = 21$
5326	Solve Using an Inverse Matrix	x+y=5 , 2x+y=7	$x + y = 5$ , $2 x + y = 7$
5327	Solve Using an Inverse Matrix	x+y=56 , x=y+16	$x + y = 56$ , $x = y + 16$
5328	Solve Using an Inverse Matrix	x+y=6 , y=2x	$x + y = 6$ , $y = 2 x$
5329	Solve Using an Inverse Matrix	x+y=6 , x-y=4	$x + y = 6$ , $x - y = 4$
5330	Solve Using an Inverse Matrix	x+y=6 , y=-x+6	$x + y = 6$ , $y = - x + 6$
5331	Solve Using an Inverse Matrix	x+y=65 , 30x+40y=2250	$x + y = 65$ , $30 x + 40 y = 2250$
5332	Solve Using an Inverse Matrix	x+y=7 , 2x-y=5	$x + y = 7$ , $2 x - y = 5$
5333	Solve Using an Inverse Matrix	x+y=-7 , x-y=2	$x + y = - 7$ , $x - y = 2$
5334	Solve Using an Inverse Matrix	x+y=7 , y=8-x	$x + y = 7$ , $y = 8 - x$
5335	Solve Using an Inverse Matrix	x+y=70 , 55x+70y=4300	$x + y = 70$ , $55 x + 70 y = 4300$
5336	Solve Using an Inverse Matrix	x+y=75 , 70x+100y=4500	$x + y = 75$ , $70 x + 100 y = 4500$
5337	Solve Using an Inverse Matrix	x+y=8 , x+y=7	$x + y = 8$ , $x + y = 7$
5338	Solve Using an Inverse Matrix	x+y=8 , x-y=6	$x + y = 8$ , $x - y = 6$
5339	Solve Using an Inverse Matrix	x+y=8 , y=3x	$x + y = 8$ , $y = 3 x$
5340	Solve Using an Inverse Matrix	x+y=900 , 15x+30y=45	$x + y = 900$ , $15 x + 30 y = 45$
5341	Solve Using an Inverse Matrix	x+y-z=-2 , 4x-y+z=2 , -x+5y-4z=1	$x + y - z = - 2$ , $4 x - y + z = 2$ , $- x + 5 y - 4 z = 1$
5342	Solve Using an Inverse Matrix	x+y-z=4 , x-2y+2z=-5 , 2x-y+2z=-2	$x + y - z = 4$ , $x - 2 y + 2 z = - 5$ , $2 x - y + 2 z = - 2$
5343	Solve Using an Inverse Matrix	x=x^2+9x+3 , x=x+2	$x = x^{2} + 9 x + 3$ , $x = x + 2$
5344	Solve Using an Inverse Matrix	x=-12+y , -6x+2y=28	$x = - 12 + y$ , $- 6 x + 2 y = 28$
5345	Solve Using an Inverse Matrix	x=16-4y , 3x+4y=8	$x = 16 - 4 y$ , $3 x + 4 y = 8$
5346	Solve Using an Inverse Matrix	x=17-4y , y=x-2	$x = 17 - 4 y$ , $y = x - 2$
5347	Solve Using an Inverse Matrix	x=2+y , -6x-6y=-12	$x = 2 + y$ , $- 6 x - 6 y = - 12$
5348	Solve Using an Inverse Matrix	x+4y=12 , -2x+5y=2	$x + 4 y = 12$ , $- 2 x + 5 y = 2$
5349	Solve Using an Inverse Matrix	x+4y=8 , 2x-5y=29	$x + 4 y = 8$ , $2 x - 5 y = 29$
5350	Solve Using an Inverse Matrix	x+4y=8 , x-y=3	$x + 4 y = 8$ , $x - y = 3$
5351	Solve Using an Inverse Matrix	x+4y-z=3 , 2x-8y+z=-12 , -2x+32y-52z=40	$x + 4 y - z = 3$ , $2 x - 8 y + z = - 12$ , $- 2 x + 32 y - 52 z = 40$
5352	Solve Using an Inverse Matrix	x+5y=-9 , -9x-2y=38	$x + 5 y = - 9$ , $- 9 x - 2 y = 38$
5353	Solve Using an Inverse Matrix	x+6=y , y-x=-2	$x + 6 = y$ , $y - x = - 2$
5354	Solve Using an Inverse Matrix	x+7y=0 , 2x-8y=22	$x + 7 y = 0$ , $2 x - 8 y = 22$
5355	Solve Using an Inverse Matrix	x+7y=25 , 2x+6y=18	$x + 7 y = 25$ , $2 x + 6 y = 18$
5356	Solve Using an Inverse Matrix	x+8y=3 , 4x-2y=7	$x + 8 y = 3$ , $4 x - 2 y = 7$
5357	Solve Using an Inverse Matrix	x+9y=79 , -x+6y=41	$x + 9 y = 79$ , $- x + 6 y = 41$
5358	Solve Using an Inverse Matrix	x+x+3x=9 , 5x+4x+3x=-6	$x + x + 3 x = 9$ , $5 x + 4 x + 3 x = - 6$
5359	Solve Using an Inverse Matrix	-x+y+z=-1 , -x+3y-5z=-13 , 6x-5y-9z=0	$- x + y + z = - 1$ , $- x + 3 y - 5 z = - 13$ , $6 x - 5 y - 9 z = 0$
5360	Solve Using an Inverse Matrix	x+y+z=2 , -x+3y+2z=8 , 4x+y=4	$x + y + z = 2$ , $- x + 3 y + 2 z = 8$ , $4 x + y = 4$
5361	Solve Using an Inverse Matrix	x+y+z=26000 , 0.05x+0.06y+0.07z=1560 , y=x-1000	$x + y + z = 26000$ , $0.05 x + 0.06 y + 0.07 z = 1560$ , $y = x - 1000$
5362	Solve Using an Inverse Matrix	x+y+z=49 , -2x+2y=8 , x-z=-9	$x + y + z = 49$ , $- 2 x + 2 y = 8$ , $x - z = - 9$
5363	Solve Using an Inverse Matrix	x+y+z=8 , x-3y=0 , 5y-z=10	$x + y + z = 8$ , $x - 3 y = 0$ , $5 y - z = 10$
5364	Solve Using an Inverse Matrix	x+y=0 , x-y=0	$x + y = 0$ , $x - y = 0$
5365	Solve Using an Inverse Matrix	x+y=1 , 2x-y=-2	$x + y = 1$ , $2 x - y = - 2$
5366	Solve Using an Inverse Matrix	x+y=1 , x+y=-6	$x + y = 1$ , $x + y = - 6$
5367	Solve Using an Inverse Matrix	x+y=12 , x+3/2y=3/2	$x + y = 12$ , $x + \frac{3}{2} y = \frac{3}{2}$
5368	Solve Using an Inverse Matrix	x+y=170 , 15x+5y=1600	$x + y = 170$ , $15 x + 5 y = 1600$
5369	Solve Using an Inverse Matrix	x+2y=1 , -3x-7y=-6	$x + 2 y = 1$ , $- 3 x - 7 y = - 6$
5370	Solve Using an Inverse Matrix	x+2y=2 , -x-2y+2=0	$x + 2 y = 2$ , $- x - 2 y + 2 = 0$
5371	Solve Using an Inverse Matrix	x+2y=-4 , -x+2y=-4	$x + 2 y = - 4$ , $- x + 2 y = - 4$
5372	Solve Using an Inverse Matrix	x+2y=-4 , y=-3x-22	$x + 2 y = - 4$ , $y = - 3 x - 22$
5373	Solve Using an Inverse Matrix	x+2y=6 , -x-2y=-6	$x + 2 y = 6$ , $- x - 2 y = - 6$
5374	Solve Using an Inverse Matrix	x+2y=7 , 3x+5y=18	$x + 2 y = 7$ , $3 x + 5 y = 18$
5375	Solve Using an Inverse Matrix	x+2y-3x=6 , -2x-4y+6z=-12 , 5x+10y-15z=30	$x + 2 y - 3 x = 6$ , $- 2 x - 4 y + 6 z = - 12$ , $5 x + 10 y - 15 z = 30$
5376	Solve Using an Inverse Matrix	x+2y-3z=11 , 3x-y+2z=4 , 2x+3y+z=7	$x + 2 y - 3 z = 11$ , $3 x - y + 2 z = 4$ , $2 x + 3 y + z = 7$
5377	Solve Using an Inverse Matrix	x+2y-3z=6 , -2x-4y+6z=-12 , 5x+10y-15z=30	$x + 2 y - 3 z = 6$ , $- 2 x - 4 y + 6 z = - 12$ , $5 x + 10 y - 15 z = 30$
5378	Solve Using an Inverse Matrix	x+2y-z=1 , 2x-y+z=6 , x+3y-z=2	$x + 2 y - z = 1$ , $2 x - y + z = 6$ , $x + 3 y - z = 2$
5379	Solve Using an Inverse Matrix	x+3y+2z=9 , 2x+7y-z=-1 , -x-2y+z=4	$x + 3 y + 2 z = 9$ , $2 x + 7 y - z = - 1$ , $- x - 2 y + z = 4$
5380	Solve Using an Inverse Matrix	x+3y=4 , y=3x+18	$x + 3 y = 4$ , $y = 3 x + 18$
5381	Solve Using an Inverse Matrix	x+3y=5 , -2x+y=4	$x + 3 y = 5$ , $- 2 x + y = 4$
5382	Solve Using an Inverse Matrix	x+3y=5 , 2x-y=3	$x + 3 y = 5$ , $2 x - y = 3$
5383	Solve Using an Inverse Matrix	a+3y=5 , -a-y=-3	$a + 3 y = 5$ , $- a - y = - 3$
5384	Solve Using an Inverse Matrix	x+3y=6 , 5x-2y=13	$x + 3 y = 6$ , $5 x - 2 y = 13$
5385	Solve Using an Inverse Matrix	2x+6y=4 , 3x-7y=6	$2 x + 6 y = 4$ , $3 x - 7 y = 6$
5386	Solve Using an Inverse Matrix	-2x+6y=6 , -7x+8y=-5	$- 2 x + 6 y = 6$ , $- 7 x + 8 y = - 5$
5387	Solve Using an Inverse Matrix	2x+7y=-25 , 3y-4z=7 , 7x+6z=-38	$2 x + 7 y = - 25$ , $3 y - 4 z = 7$ , $7 x + 6 z = - 38$
5388	Solve Using an Inverse Matrix	2x+8y=2 , 20x+84y=13	$2 x + 8 y = 2$ , $20 x + 84 y = 13$
5389	Solve Using an Inverse Matrix	2x+y+3z=1 , 2x-2y+4z=2 , 3x-y-z=15	$2 x + y + 3 z = 1$ , $2 x - 2 y + 4 z = 2$ , $3 x - y - z = 15$
5390	Solve Using an Inverse Matrix	2x+y+z=5 , 2z-3x=-1 , x+3y-z=6	$2 x + y + z = 5$ , $2 z - 3 x = - 1$ , $x + 3 y - z = 6$
5391	Solve Using an Inverse Matrix	2x+y=0 , 3x+y=3	$2 x + y = 0$ , $3 x + y = 3$
5392	Solve Using an Inverse Matrix	2x+y=1 , 2x+4y=12	$2 x + y = 1$ , $2 x + 4 y = 12$
5393	Solve Using an Inverse Matrix	2x+y=1 , x-y=3	$2 x + y = 1$ , $x - y = 3$
5394	Solve Using an Inverse Matrix	2x+y=120 , x+y=76	$2 x + y = 120$ , $x + y = 76$
5395	Solve Using an Inverse Matrix	2x+y=13 , 7x-3y=13	$2 x + y = 13$ , $7 x - 3 y = 13$
5396	Solve Using an Inverse Matrix	2x+y=3 , x-y=3	$2 x + y = 3$ , $x - y = 3$
5397	Solve Using an Inverse Matrix	2x+y=-3 , y=-2x-5	$2 x + y = - 3$ , $y = - 2 x - 5$
5398	Solve Using an Inverse Matrix	2x+y=4 , 3x-y=6	$2 x + y = 4$ , $3 x - y = 6$
5399	Solve Using an Inverse Matrix	-2x+y=-4 , y=-1/3x+3	$- 2 x + y = - 4$ , $y = - \frac{1}{3} x + 3$
5400	Solve Using an Inverse Matrix	2x+y=-4 , 4x=-2y-6	$2 x + y = - 4$ , $4 x = - 2 y - 6$