use subsitution system to solve 4x+5y=21 Y=3x-11

I used the U-subsitution (x + 1)^2 - 11 (x + 1) + 24 u^2 - 11u +24 (u + 3) (u - 8) should t...

Solve by the subsitution method. 2x+4y=-6 -3x+y=23 y=23+3x 2x +4(23+3x)=-6 2x +92 +12 x =-6 x=...

solve by subsitution 6x + 5y = 27 x = 17 -8y my answer was (3,-7)

solve by subsitution 2x+3y=10 x+6y=32

solve using the subsitution method 4x+4y=36 4x+4y=12 If the system has no solution or an infinit...

subsitution with 3 equations (solve for x,y,z) x+y-2z=5 -x-y+z=2 -x+y+32=4

solve by using subsitution: 4x+y=2 3y+2x=-1

solve by subsitution 2x+y=9 8x+4y=36

solve. using subsitution -7x-2y=-13 x-2y=11

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