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2x+34+8=x+30
We move all terms to the left:
2x+34+8-(x+30)=0
We add all the numbers together, and all the variables
2x-(x+30)+42=0
We get rid of parentheses
2x-x-30+42=0
We add all the numbers together, and all the variables
x+12=0
We move all terms containing x to the left, all other terms to the right
x=-12
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