-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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