132=-4(-5-7n)

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Solution for 132=-4(-5-7n) equation: 



132=-4(-5-7n)

We move all terms to the left:

132-(-4(-5-7n))=0

We add all the numbers together, and all the variables

-(-4(-7n-5))+132=0



We calculate terms in parentheses: -(-4(-7n-5)), so:

-4(-7n-5)

We multiply parentheses

28n+20

Back to the equation:

-(28n+20)



We get rid of parentheses

-28n-20+132=0

We add all the numbers together, and all the variables

-28n+112=0

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

-28n=-112

n=-112/-28

n=+4

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