3(x=4)=39

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Solution for 3(x=4)=39 equation: 



3(x=4)=39

We move all terms to the left:

3(x-(4))=0

We multiply parentheses

3x-12=0

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

3x=12

x=12/3

x=4

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