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12x+7=2(6x+3.5)
We move all terms to the left:
12x+7-(2(6x+3.5))=0
We calculate terms in parentheses: -(2(6x+3.5)), so:We get rid of parentheses
2(6x+3.5)
We multiply parentheses
12x+7
Back to the equation:
-(12x+7)
12x-12x-7+7=0
We add all the numbers together, and all the variables
=0
x=0/1
x=0
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