-157=-3n-7(2n+3)

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Solution for -157=-3n-7(2n+3) equation: 



-157=-3n-7(2n+3)

We move all terms to the left:

-157-(-3n-7(2n+3))=0



We calculate terms in parentheses: -(-3n-7(2n+3)), so:

-3n-7(2n+3)

We multiply parentheses

-3n-14n-21

We add all the numbers together, and all the variables

-17n-21

Back to the equation:

-(-17n-21)



We get rid of parentheses

17n+21-157=0

We add all the numbers together, and all the variables

17n-136=0

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

17n=136

n=136/17

n=8

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