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8x-12=12x+4()
We move all terms to the left:
8x-12-(12x+4())=0
We calculate terms in parentheses: -(12x+4()), so:We add all the numbers together, and all the variables
12x+4()
We add all the numbers together, and all the variables
12x
Back to the equation:
-(12x)
-4x-12=0
We move all terms containing x to the left, all other terms to the right
-4x=12
x=12/-4
x=-3
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