56x2
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-8x+7 = -7x-2 -8x = -7x-2-7 -8x=-7x-9 -8x+7x=-9 -1x=-9 x=-9/-1 x=9
if its x(squared) its 7x(cubed) if its 2xX its 14x(squared)
8x-1 = 7x+2 Add 1 to both sides: 8x = 7x+3 Subtract 7x from both sides: 1x = 3 ie x = 3
3x + 4x = 7x
I is -8x^2.