8. Solve the system of equations shown below.
.3/4x-5/2y=-9
.-x+6y=28
x = 21.5, y = 8.25
x = -8, y = 6
x = 8, y = 6
x = -21.5, y = 8.25
.3/4x-5/2y=-9
.-x+6y=28
x = 21.5, y = 8.25
x = -8, y = 6
x = 8, y = 6
x = -21.5, y = 8.25