55=5x-2(7x+13)

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Solution for 55=5x-2(7x+13) equation: 



55=5x-2(7x+13)

We move all terms to the left:

55-(5x-2(7x+13))=0



We calculate terms in parentheses: -(5x-2(7x+13)), so:

5x-2(7x+13)

We multiply parentheses

5x-14x-26

We add all the numbers together, and all the variables

-9x-26

Back to the equation:

-(-9x-26)



We get rid of parentheses

9x+26+55=0

We add all the numbers together, and all the variables

9x+81=0

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

9x=-81

x=-81/9

x=-9

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