-720=-8(7x+13)

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Solution for -720=-8(7x+13) equation: 



-720=-8(7x+13)

We move all terms to the left:

-720-(-8(7x+13))=0



We calculate terms in parentheses: -(-8(7x+13)), so:

-8(7x+13)

We multiply parentheses

-56x-104

Back to the equation:

-(-56x-104)



We get rid of parentheses

56x+104-720=0

We add all the numbers together, and all the variables

56x-616=0

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

56x=616

x=616/56

x=11

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