Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
6101	Write as a Vector Equality	x-9=y , x+y=6	$x - 9 = y$ , $x + y = 6$
6102	Solve Using an Inverse Matrix	-8x+2y=8 , -4x+y=27	$- 8 x + 2 y = 8$ , $- 4 x + y = 27$
6103	Solve Using an Inverse Matrix	8x+3y=2 , -2x+3y=52	$8 x + 3 y = 2$ , $- 2 x + 3 y = 52$
6104	Solve Using an Inverse Matrix	8x+4y=0 , 4x+2y=0	$8 x + 4 y = 0$ , $4 x + 2 y = 0$
6105	Solve Using an Inverse Matrix	-8x+5y=2 , -2x+3y=4	$- 8 x + 5 y = 2$ , $- 2 x + 3 y = 4$
6106	Solve Using an Inverse Matrix	x+2y=1 , 3x+5y=2	$x + 2 y = 1$ , $3 x + 5 y = 2$
6107	Solve Using an Inverse Matrix	x+2y=1 , 5x-4y=7	$x + 2 y = 1$ , $5 x - 4 y = 7$
6108	Solve Using an Inverse Matrix	x+2y=10 , x+y=6	$x + 2 y = 10$ , $x + y = 6$
6109	Solve Using an Inverse Matrix	x+2y=12 , 3x+4y=4	$x + 2 y = 12$ , $3 x + 4 y = 4$
6110	Solve Using an Inverse Matrix	x+2y=13 , y=3x-11	$x + 2 y = 13$ , $y = 3 x - 11$
6111	Solve Using an Inverse Matrix	x+2y=2 , -x-2y=-2	$x + 2 y = 2$ , $- x - 2 y = - 2$
6112	Solve Using an Inverse Matrix	x+2y=-3 , 4x+3y=-7	$x + 2 y = - 3$ , $4 x + 3 y = - 7$
6113	Solve Using an Inverse Matrix	x+2y=3800 , 2x+y=3400	$x + 2 y = 3800$ , $2 x + y = 3400$
6114	Solve Using an Inverse Matrix	x+2y=4 , 2x+3y=5	$x + 2 y = 4$ , $2 x + 3 y = 5$
6115	Solve Using an Inverse Matrix	x+2y=5.12 , x+y=3.67	$x + 2 y = 5.12$ , $x + y = 3.67$
6116	Solve Using an Inverse Matrix	x+2y=5 , 2x-y=0	$x + 2 y = 5$ , $2 x - y = 0$
6117	Solve Using an Inverse Matrix	x+2y=5 , 4x-6y=9	$x + 2 y = 5$ , $4 x - 6 y = 9$
6118	Solve Using an Inverse Matrix	x+2y=7 , x-y=1	$x + 2 y = 7$ , $x - y = 1$
6119	Solve Using an Inverse Matrix	x+2y-2=0 , -x-2y=-2	$x + 2 y - 2 = 0$ , $- x - 2 y = - 2$
6120	Solve Using an Inverse Matrix	x+2y-3z=4 , -3x-4y+z=0 , 5x+3y-10z=1	$x + 2 y - 3 z = 4$ , $- 3 x - 4 y + z = 0$ , $5 x + 3 y - 10 z = 1$
6121	Solve Using an Inverse Matrix	x+2y-z=-3 , 2x-4y+z=-7 , -2x+2y-3z=4	$x + 2 y - z = - 3$ , $2 x - 4 y + z = - 7$ , $- 2 x + 2 y - 3 z = 4$
6122	Solve Using an Inverse Matrix	4x+10y=20 , 2x-3y=-6	$4 x + 10 y = 20$ , $2 x - 3 y = - 6$
6123	Solve Using an Inverse Matrix	4x+1y=25 , 1x-3y=16	$4 x + 1 y = 25$ , $1 x - 3 y = 16$
6124	Solve Using an Inverse Matrix	2x+y-10=0 , x-y-4=0	$2 x + y - 10 = 0$ , $x - y - 4 = 0$
6125	Solve Using an Inverse Matrix	2x+y-2z=1 , 3x-2y+4z=-2 , x+3y+2z=4	$2 x + y - 2 z = 1$ , $3 x - 2 y + 4 z = - 2$ , $x + 3 y + 2 z = 4$
6126	Solve Using an Inverse Matrix	2x+y-3z=-12 , 3x-2y-z=3 , -x+5y+2z=-3	$2 x + y - 3 z = - 12$ , $3 x - 2 y - z = 3$ , $- x + 5 y + 2 z = - 3$
6127	Solve Using an Inverse Matrix	2x+y-3z=7 , x-2y+3z=1 , 3x+4y-3z=13	$2 x + y - 3 z = 7$ , $x - 2 y + 3 z = 1$ , $3 x + 4 y - 3 z = 13$
6128	Solve Using an Inverse Matrix	2x+z=0 , 2y+z-1=0 , x+z+6z=0	$2 x + z = 0$ , $2 y + z - 1 = 0$ , $x + z + 6 z = 0$
6129	Solve Using an Inverse Matrix	2x+y=8 , -2x=y+8	$2 x + y = 8$ , $- 2 x = y + 8$
6130	Solve Using an Inverse Matrix	-2x+y=8 , 3x+2y=9	$- 2 x + y = 8$ , $3 x + 2 y = 9$
6131	Solve Using an Inverse Matrix	2x+y=8 , 4x+2y=11	$2 x + y = 8$ , $4 x + 2 y = 11$
6132	Solve Using an Inverse Matrix	3y-7=x , 3x+5y=-7	$3 y - 7 = x$ , $3 x + 5 y = - 7$
6133	Solve Using an Inverse Matrix	-4(x+2)=3y , 2x-2y=3	$- 4 (x + 2) = 3 y$ , $2 x - 2 y = 3$
6134	Solve Using an Inverse Matrix	4(x-2)-y=-7 , y=4x+7	$4 (x - 2) - y = - 7$ , $y = 4 x + 7$
6135	Solve Using an Inverse Matrix	4(x-2y)-(5x+3y)=30 , 3(3x+7y)-2(x+9y)=12	$4 (x - 2 y) - (5 x + 3 y) = 30$ , $3 (3 x + 7 y) - 2 (x + 9 y) = 12$
6136	Solve Using an Inverse Matrix	4(x-6)-3y=0 , 3(x-y)=-x-6	$4 (x - 6) - 3 y = 0$ , $3 (x - y) = - x - 6$
6137	Solve Using an Inverse Matrix	4.1y=3.2x+1 , y=4x+5.5	$4.1 y = 3.2 x + 1$ , $y = 4 x + 5.5$
6138	Solve Using an Inverse Matrix	4(x+2)=1-5y , 3(y+2)=3-2x	$4 (x + 2) = 1 - 5 y$ , $3 (y + 2) = 3 - 2 x$
6139	Solve Using an Inverse Matrix	-4+y=4+2x , x+y=-2	$- 4 + y = 4 + 2 x$ , $x + y = - 2$
6140	Solve Using an Inverse Matrix	400a+20b+c=30 , 1600a+40b+c=105 , 3600a+60b+c=295	$400 a + 20 b + c = 30$ , $1600 a + 40 b + c = 105$ , $3600 a + 60 b + c = 295$
6141	Solve Using an Inverse Matrix	400x+1200y+800z=8800 , 110x+570y+340z=3380 , 90x+30y+60z=1020	$400 x + 1200 y + 800 z = 8800$ , $110 x + 570 y + 340 z = 3380$ , $90 x + 30 y + 60 z = 1020$
6142	Solve Using an Inverse Matrix	40x-8y=40 , y=5x+5	$40 x - 8 y = 40$ , $y = 5 x + 5$
6143	Solve Using an Inverse Matrix	42.4x-89.3y+12.9z=33.66 , 123.5x+61.3y-32.4z=-262.74 , 54.7x-45.6y+98.2z=197.4	$42.4 x - 89.3 y + 12.9 z = 33.66$ , $123.5 x + 61.3 y - 32.4 z = - 262.74$ , $54.7 x - 45.6 y + 98.2 z = 197.4$
6144	Solve Using an Inverse Matrix	450x-250y=-20 , 70x+y=8	$450 x - 250 y = - 20$ , $70 x + y = 8$
6145	Solve Using an Inverse Matrix	4a+7b=-24 , 8a-3c=11 , 6b-3c=-21	$4 a + 7 b = - 24$ , $8 a - 3 c = 11$ , $6 b - 3 c = - 21$
6146	Solve Using an Inverse Matrix	4a-3b=5 , 8a+12b=-20	$4 a - 3 b = 5$ , $8 a + 12 b = - 20$
6147	Solve Using an Inverse Matrix	3x+y=9 , 6x=-2y+12	$3 x + y = 9$ , $6 x = - 2 y + 12$
6148	Solve Using an Inverse Matrix	3x+Y-3Z=-8 , -6x-2y+6z=16 , 12x+4y-12z=31	$3 x + Y - 3 Z = - 8$ , $- 6 x - 2 y + 6 z = 16$ , $12 x + 4 y - 12 z = 31$
6149	Solve Using an Inverse Matrix	3x=4y+8 , 6x=7-5y	$3 x = 4 y + 8$ , $6 x = 7 - 5 y$
6150	Solve Using an Inverse Matrix	3x=8 , 2x+y=14	$3 x = 8$ , $2 x + y = 14$
6151	Solve Using an Inverse Matrix	3x=y-5 , 3x-y=6	$3 x = y - 5$ , $3 x - y = 6$
6152	Solve Using an Inverse Matrix	3x-10y+3z=5 , -4x+9y-3z=-6 , -13y+3z=2	$3 x - 10 y + 3 z = 5$ , $- 4 x + 9 y - 3 z = - 6$ , $- 13 y + 3 z = 2$
6153	Solve Using an Inverse Matrix	3x-2y=-1 , 3x-4y=9	$3 x - 2 y = - 1$ , $3 x - 4 y = 9$
6154	Solve Using an Inverse Matrix	3x-2y=-1 , -6x+4y=-5	$3 x - 2 y = - 1$ , $- 6 x + 4 y = - 5$
6155	Solve Using an Inverse Matrix	-3x-2y=1 , x=-2y+3	$- 3 x - 2 y = 1$ , $x = - 2 y + 3$
6156	Solve Using an Inverse Matrix	3x-2y=-15 , -9x+6y=13	$3 x - 2 y = - 15$ , $- 9 x + 6 y = 13$
6157	Solve Using an Inverse Matrix	3x-2y=16 , -3x+8y=-10	$3 x - 2 y = 16$ , $- 3 x + 8 y = - 10$
6158	Solve Using an Inverse Matrix	3x-2y=18 , 3x+4y=12 , x=0 , y=0	$3 x - 2 y = 18$ , $3 x + 4 y = 12$ , $x = 0$ , $y = 0$
6159	Solve Using an Inverse Matrix	-3x-2y=-2 , 3x+3y=-1	$- 3 x - 2 y = - 2$ , $3 x + 3 y = - 1$
6160	Solve Using an Inverse Matrix	3x-2y=32 , 6x+7y=-46	$3 x - 2 y = 32$ , $6 x + 7 y = - 46$
6161	Solve Using an Inverse Matrix	3x-2y=4 , -3+2y=-1	$3 x - 2 y = 4$ , $- 3 + 2 y = - 1$
6162	Solve Using an Inverse Matrix	-3x-2y=-5 , -3x-6y=-6	$- 3 x - 2 y = - 5$ , $- 3 x - 6 y = - 6$
6163	Solve Using an Inverse Matrix	3x-2y=6 , 5x+6y=30	$3 x - 2 y = 6$ , $5 x + 6 y = 30$
6164	Solve Using an Inverse Matrix	3x-2y=6 , 9x+6y=60	$3 x - 2 y = 6$ , $9 x + 6 y = 60$
6165	Solve Using an Inverse Matrix	3x-2y=6 , x-4y=-8	$3 x - 2 y = 6$ , $x - 4 y = - 8$
6166	Solve Using an Inverse Matrix	3x-2y=7 , 4y=6x-14	$3 x - 2 y = 7$ , $4 y = 6 x - 14$
6167	Solve Using an Inverse Matrix	3x-2y-5=0 , 2x+3y-12=0	$3 x - 2 y - 5 = 0$ , $2 x + 3 y - 12 = 0$
6168	Solve Using an Inverse Matrix	3x-3y=-21 , 4x+6y=2	$3 x - 3 y = - 21$ , $4 x + 6 y = 2$
6169	Solve Using an Inverse Matrix	-3x-3y=3 , y=(-5x-17)	$- 3 x - 3 y = 3$ , $y = (- 5 x - 17)$
6170	Solve Using an Inverse Matrix	3x-4y=-1 , -3x+y=7	$3 x - 4 y = - 1$ , $- 3 x + y = 7$
6171	Solve Using an Inverse Matrix	3x-4y=11 , 2x+3y=-4	$3 x - 4 y = 11$ , $2 x + 3 y = - 4$
6172	Solve Using an Inverse Matrix	3x-4y=18 , x+3y=-7	$3 x - 4 y = 18$ , $x + 3 y = - 7$
6173	Solve Using an Inverse Matrix	3x-4y=19 , x+2y=3	$3 x - 4 y = 19$ , $x + 2 y = 3$
6174	Find the 8x8 Identity Matrix	8	$8$
6175	Solve Using an Inverse Matrix	3x-4y=32 , 5x+2y=10	$3 x - 4 y = 32$ , $5 x + 2 y = 10$
6176	Solve Using an Inverse Matrix	3x-5y=13 , 7x+3y=1	$3 x - 5 y = 13$ , $7 x + 3 y = 1$
6177	Solve Using an Inverse Matrix	3x-5y=14 , 2x+5y=26	$3 x - 5 y = 14$ , $2 x + 5 y = 26$
6178	Solve Using an Inverse Matrix	3x-5y=17 , 2x+y=7	$3 x - 5 y = 17$ , $2 x + y = 7$
6179	Solve Using an Inverse Matrix	3x-5y=19 , 7x+5y=11	$3 x - 5 y = 19$ , $7 x + 5 y = 11$
6180	Solve Using an Inverse Matrix	3x-5y=19 , 2x+y=4	$3 x - 5 y = 19$ , $2 x + y = 4$
6181	Solve Using an Inverse Matrix	3x-5y=3 , 15x+5y=21	$3 x - 5 y = 3$ , $15 x + 5 y = 21$
6182	Solve Using an Inverse Matrix	3x-5y=35 , x+2y=19	$3 x - 5 y = 35$ , $x + 2 y = 19$
6183	Solve Using an Inverse Matrix	3x-7y=21 , -5x+4y=-35	$3 x - 7 y = 21$ , $- 5 x + 4 y = - 35$
6184	Solve Using an Inverse Matrix	3x-7y=-45 , 9x-21y=-135	$3 x - 7 y = - 45$ , $9 x - 21 y = - 135$
6185	Solve Using an Inverse Matrix	3x-7y=-6 , x+2y=11	$3 x - 7 y = - 6$ , $x + 2 y = 11$
6186	Solve Using an Inverse Matrix	3x-8y=-11 , -9x-2y=7	$3 x - 8 y = - 11$ , $- 9 x - 2 y = 7$
6187	Solve Using an Inverse Matrix	-3x-8y=-4 , 9x-9y=-1	$- 3 x - 8 y = - 4$ , $9 x - 9 y = - 1$
6188	Solve Using an Inverse Matrix	3x-y=10 , -15x+5=-50	$3 x - y = 10$ , $- 15 x + 5 = - 50$
6189	Solve Using an Inverse Matrix	3x-y=12 , x+y=12	$3 x - y = 12$ , $x + y = 12$
6190	Solve Using an Inverse Matrix	3x-y=13 , 2x+2y=-10	$3 x - y = 13$ , $2 x + 2 y = - 10$
6191	Solve Using an Inverse Matrix	3x-y=15 , x+2y=5	$3 x - y = 15$ , $x + 2 y = 5$
6192	Solve Using an Inverse Matrix	3x-y=18 , 5x+2y=7	$3 x - y = 18$ , $5 x + 2 y = 7$
6193	Solve Using an Inverse Matrix	-3x-y=-3 , y-4z=12 , x-2y+z=-2	$- 3 x - y = - 3$ , $y - 4 z = 12$ , $x - 2 y + z = - 2$
6194	Solve Using an Inverse Matrix	3x-y=4 , x+2y=6	$3 x - y = 4$ , $x + 2 y = 6$
6195	Solve Using an Inverse Matrix	3x-y=5 , 6x-3y=18	$3 x - y = 5$ , $6 x - 3 y = 18$
6196	Solve Using an Inverse Matrix	3x-y=6 , -4x+2y=-8	$3 x - y = 6$ , $- 4 x + 2 y = - 8$
6197	Solve Using an Inverse Matrix	3x-y=7 , 1x+2y=7	$3 x - y = 7$ , $1 x + 2 y = 7$
6198	Solve Using an Inverse Matrix	3x-y=7 , 2x+3y=1	$3 x - y = 7$ , $2 x + 3 y = 1$
6199	Solve Using an Inverse Matrix	-3x-y=7 , 6x+7y=11	$- 3 x - y = 7$ , $6 x + 7 y = 11$
6200	Solve Using an Inverse Matrix	3x-y=7 , y=3x-2	$3 x - y = 7$ , $y = 3 x - 2$