-8x-2y=30
-4(-2x+4y=-24) = 8x - 16y = 96
-8x + 8x - 2y - 16y = 30+96
-18y = 126
divide -18 on both sides
y= -7
-8x - 2(-7) = 30
-8x + 14= 30
-8x=44
divide -8 on both sides
x= -5.5
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