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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

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

We multiply parentheses

-7x+7x-(-3x+39)+21=0

We get rid of parentheses

-7x+7x+3x-39+21=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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