-7(n-3)=42

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Solution for -7(n-3)=42 equation: 



-7(n-3)=42

We move all terms to the left:

-7(n-3)-(42)=0

We multiply parentheses

-7n+21-42=0

We add all the numbers together, and all the variables

-7n-21=0

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

-7n=21

n=21/-7

n=-3

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