7x+13=3(4x-9)

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Solution for 7x+13=3(4x-9) equation: 



7x+13=3(4x-9)

We move all terms to the left:

7x+13-(3(4x-9))=0



We calculate terms in parentheses: -(3(4x-9)), so:

3(4x-9)

We multiply parentheses

12x-27

Back to the equation:

-(12x-27)



We get rid of parentheses

7x-12x+27+13=0

We add all the numbers together, and all the variables

-5x+40=0

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

-5x=-40

x=-40/-5

x=+8

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