3(n+7)=15

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Solution for 3(n+7)=15 equation: 



3(n+7)=15

We move all terms to the left:

3(n+7)-(15)=0

We multiply parentheses

3n+21-15=0

We add all the numbers together, and all the variables

3n+6=0

We move all terms containing n to the left, all other terms to the right

3n=-6

n=-6/3

n=-2

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