3x+7(x+7)=39

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



3x+7(x+7)=39

We move all terms to the left:

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

We multiply parentheses

3x+7x+49-39=0

We add all the numbers together, and all the variables

10x+10=0

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

10x=-10

x=-10/10

x=-1

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