6n-21=-3-2n

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Solution for 6n-21=-3-2n equation: 



6n-21=-3-2n

We move all terms to the left:

6n-21-(-3-2n)=0

We add all the numbers together, and all the variables

6n-(-2n-3)-21=0

We get rid of parentheses

6n+2n+3-21=0

We add all the numbers together, and all the variables

8n-18=0

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

8n=18

n=18/8

n=2+1/4

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