90=2(-5n+5)

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Solution for 90=2(-5n+5) equation:



90=2(-5n+5)
We move all terms to the left:
90-(2(-5n+5))=0
We calculate terms in parentheses: -(2(-5n+5)), so:
2(-5n+5)
We multiply parentheses
-10n+10
Back to the equation:
-(-10n+10)
We get rid of parentheses
10n-10+90=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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