120=-2n+8(5-n)

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Solution for 120=-2n+8(5-n) equation: 



120=-2n+8(5-n)

We move all terms to the left:

120-(-2n+8(5-n))=0

We add all the numbers together, and all the variables

-(-2n+8(-1n+5))+120=0



We calculate terms in parentheses: -(-2n+8(-1n+5)), so:

-2n+8(-1n+5)

We multiply parentheses

-2n-8n+40

We add all the numbers together, and all the variables

-10n+40

Back to the equation:

-(-10n+40)



We get rid of parentheses

10n-40+120=0

We add all the numbers together, and all the variables

10n+80=0

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

10n=-80

n=-80/10

n=-8

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