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12x+4=3(4x-9)
We move all terms to the left:
12x+4-(3(4x-9))=0
We calculate terms in parentheses: -(3(4x-9)), so:We get rid of parentheses
3(4x-9)
We multiply parentheses
12x-27
Back to the equation:
-(12x-27)
12x-12x+27+4=0
We add all the numbers together, and all the variables
31!=0
There is no solution for this equation
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