8n-(n+3)=18

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Solution for 8n-(n+3)=18 equation: 



8n-(n+3)=18

We move all terms to the left:

8n-(n+3)-(18)=0

We get rid of parentheses

8n-n-3-18=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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