-8n-40=-8(-7+7n)

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Solution for -8n-40=-8(-7+7n) equation: 



-8n-40=-8(-7+7n)

We move all terms to the left:

-8n-40-(-8(-7+7n))=0

We add all the numbers together, and all the variables

-8n-(-8(7n-7))-40=0



We calculate terms in parentheses: -(-8(7n-7)), so:

-8(7n-7)

We multiply parentheses

-56n+56

Back to the equation:

-(-56n+56)



We get rid of parentheses

-8n+56n-56-40=0

We add all the numbers together, and all the variables

48n-96=0

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

48n=96

n=96/48

n=2

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