3(3n+5)=42

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Solution for 3(3n+5)=42 equation: 



3(3n+5)=42

We move all terms to the left:

3(3n+5)-(42)=0

We multiply parentheses

9n+15-42=0

We add all the numbers together, and all the variables

9n-27=0

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

9n=27

n=27/9

n=3

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