3(-7-8n)=0

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Solution for 3(-7-8n)=0 equation: 



3(-7-8n)=0

We add all the numbers together, and all the variables

3(-8n-7)=0

We multiply parentheses

-24n-21=0

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

-24n=21

n=21/-24

n=-7/8

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