x+2=3x+42

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



x+2=3x+42

We move all terms to the left:

x+2-(3x+42)=0

We get rid of parentheses

x-3x-42+2=0

We add all the numbers together, and all the variables

-2x-40=0

We move all terms containing x to the left, all other terms to the right

-2x=40

x=40/-2

x=-20

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