x+42=4x+39

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Solution for x+42=4x+39 equation: 



x+42=4x+39

We move all terms to the left:

x+42-(4x+39)=0

We get rid of parentheses

x-4x-39+42=0

We add all the numbers together, and all the variables

-3x+3=0

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

-3x=-3

x=-3/-3

x=1

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