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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