7x+13=6(13-x)

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Solution for 7x+13=6(13-x) equation: 



7x+13=6(13-x)

We move all terms to the left:

7x+13-(6(13-x))=0

We add all the numbers together, and all the variables

7x-(6(-1x+13))+13=0



We calculate terms in parentheses: -(6(-1x+13)), so:

6(-1x+13)

We multiply parentheses

-6x+78

Back to the equation:

-(-6x+78)



We get rid of parentheses

7x+6x-78+13=0

We add all the numbers together, and all the variables

13x-65=0

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

13x=65

x=65/13

x=5

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