-7=-7(-5+n)

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Solution for -7=-7(-5+n) equation: 



-7=-7(-5+n)

We move all terms to the left:

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

We add all the numbers together, and all the variables

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



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

-7(n-5)

We multiply parentheses

-7n+35

Back to the equation:

-(-7n+35)



We get rid of parentheses

7n-35-7=0

We add all the numbers together, and all the variables

7n-42=0

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

7n=42

n=42/7

n=6

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