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12(10x-12)=34
We move all terms to the left:
12(10x-12)-(34)=0
We multiply parentheses
120x-144-34=0
We add all the numbers together, and all the variables
120x-178=0
We move all terms containing x to the left, all other terms to the right
120x=178
x=178/120
x=1+29/60
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