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+24=0

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

8n=-24

n=-24/8

n=-3

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