-4n-3=2n+21

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Solution for -4n-3=2n+21 equation: 



-4n-3=2n+21

We move all terms to the left:

-4n-3-(2n+21)=0

We get rid of parentheses

-4n-2n-21-3=0

We add all the numbers together, and all the variables

-6n-24=0

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

-6n=24

n=24/-6

n=-4

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