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5(x-7)+42=3x+7+2x
We move all terms to the left:
5(x-7)+42-(3x+7+2x)=0
We add all the numbers together, and all the variables
5(x-7)-(5x+7)+42=0
We multiply parentheses
5x-(5x+7)-35+42=0
We get rid of parentheses
5x-5x-7-35+42=0
We add all the numbers together, and all the variables
=0
x=0/1
x=0
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