13x-31=6(x+3)

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Solution for 13x-31=6(x+3) equation: 



13x-31=6(x+3)

We move all terms to the left:

13x-31-(6(x+3))=0



We calculate terms in parentheses: -(6(x+3)), so:

6(x+3)

We multiply parentheses

6x+18

Back to the equation:

-(6x+18)



We get rid of parentheses

13x-6x-18-31=0

We add all the numbers together, and all the variables

7x-49=0

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

7x=49

x=49/7

x=7

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