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-12=-8x+2(x+3)
We move all terms to the left:
-12-(-8x+2(x+3))=0
We calculate terms in parentheses: -(-8x+2(x+3)), so:We get rid of parentheses
-8x+2(x+3)
We multiply parentheses
-8x+2x+6
We add all the numbers together, and all the variables
-6x+6
Back to the equation:
-(-6x+6)
6x-6-12=0
We add all the numbers together, and all the variables
6x-18=0
We move all terms containing x to the left, all other terms to the right
6x=18
x=18/6
x=3
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