Answer:
Step-by-step explanation:
-3x+4y=12
2x+y= - 8 <===== multiply THIS equation by -4 to get
-8x - 4y = 32 now add it to the top equation...this will 'eliminate' y
-11x = 44
x = - 4 <==== use this value of x in one of the equations to find y
2x + y = -8
2(-4) + y = - 8
y = 0
