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

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



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

We move all terms to the left:

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

We multiply parentheses

3x-(-7x)-21=0

We get rid of parentheses

3x+7x-21=0

We add all the numbers together, and all the variables

10x-21=0

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

10x=21

x=21/10

x=2+1/10

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