(x+7)*3=39

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Solution for (x+7)*3=39 equation: 



(x+7)*3=39

We move all terms to the left:

(x+7)*3-(39)=0

We multiply parentheses

3x+21-39=0

We add all the numbers together, and all the variables

3x-18=0

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

3x=18

x=18/3

x=6

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