42=3x+7+2x+5

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Solution for 42=3x+7+2x+5 equation:



42=3x+7+2x+5
We move all terms to the left:
42-(3x+7+2x+5)=0
We add all the numbers together, and all the variables
-(5x+12)+42=0
We get rid of parentheses
-5x-12+42=0
We add all the numbers together, and all the variables
-5x+30=0
We move all terms containing x to the left, all other terms to the right
-5x=-30
x=-30/-5
x=+6

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