117=3(4n+7)

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Solution for 117=3(4n+7) equation:



117=3(4n+7)
We move all terms to the left:
117-(3(4n+7))=0
We calculate terms in parentheses: -(3(4n+7)), so:
3(4n+7)
We multiply parentheses
12n+21
Back to the equation:
-(12n+21)
We get rid of parentheses
-12n-21+117=0
We add all the numbers together, and all the variables
-12n+96=0
We move all terms containing n to the left, all other terms to the right
-12n=-96
n=-96/-12
n=+8

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