3-6n=-21

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Solution for 3-6n=-21 equation: 



3-6n=-21

We move all terms to the left:

3-6n-(-21)=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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