7x-7=13+13x

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Solution for 7x-7=13+13x equation: 



7x-7=13+13x

We move all terms to the left:

7x-7-(13+13x)=0

We add all the numbers together, and all the variables

7x-(13x+13)-7=0

We get rid of parentheses

7x-13x-13-7=0

We add all the numbers together, and all the variables

-6x-20=0

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

-6x=20

x=20/-6

x=-3+1/3

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