9×-4 -(×-4) =4 (×-1)
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Step-by-step explanation:
9x- 4 - (x-4) = 4(x-1)
9x-4-x+4 =4x- 4
8x=4x- 4
8x-4x= -4
4x = -4
x = -4/4
= -1 answer
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