-3n-42+10n+12=18(n+2)

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Solution for -3n-42+10n+12=18(n+2) equation:



-3n-42+10n+12=18(n+2)
We move all terms to the left:
-3n-42+10n+12-(18(n+2))=0
We add all the numbers together, and all the variables
7n-(18(n+2))-30=0
We calculate terms in parentheses: -(18(n+2)), so:
18(n+2)
We multiply parentheses
18n+36
Back to the equation:
-(18n+36)
We get rid of parentheses
7n-18n-36-30=0
We add all the numbers together, and all the variables
-11n-66=0
We move all terms containing n to the left, all other terms to the right
-11n=66
n=66/-11
n=-6

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