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42=2+3x
We move all terms to the left:
42-(2+3x)=0
We add all the numbers together, and all the variables
-(3x+2)+42=0
We get rid of parentheses
-3x-2+42=0
We add all the numbers together, and all the variables
-3x+40=0
We move all terms containing x to the left, all other terms to the right
-3x=-40
x=-40/-3
x=13+1/3
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