90=10n+30

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Solution for 90=10n+30 equation:



90=10n+30
We move all terms to the left:
90-(10n+30)=0
We get rid of parentheses
-10n-30+90=0
We add all the numbers together, and all the variables
-10n+60=0
We move all terms containing n to the left, all other terms to the right
-10n=-60
n=-60/-10
n=+6

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