0
Anonymous
Means x = 3
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It is: y = -4x+12
8x + 12 = 4x - 4 8x - 4x = -4 - 12 4x = -16 x = -4
4x-5=7 4x=12 x=3
23 + 15x - 4x = 1215x - 4x = 12 -2311x = -11x= -1
-2x=-4x*24 x=12