13=-8(1-10n)-3(n-7)

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Solution for 13=-8(1-10n)-3(n-7) equation: 



13=-8(1-10n)-3(n-7)

We move all terms to the left:

13-(-8(1-10n)-3(n-7))=0

We add all the numbers together, and all the variables

-(-8(-10n+1)-3(n-7))+13=0



We calculate terms in parentheses: -(-8(-10n+1)-3(n-7)), so:

-8(-10n+1)-3(n-7)

We multiply parentheses

80n-3n-8+21

We add all the numbers together, and all the variables

77n+13

Back to the equation:

-(77n+13)



We get rid of parentheses

-77n-13+13=0

We add all the numbers together, and all the variables

-77n=0

n=0/-77

n=0

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