3n+21=24

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Solution for 3n+21=24 equation: 



3n+21=24

We move all terms to the left:

3n+21-(24)=0

We add all the numbers together, and all the variables

3n-3=0

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

3n=3

n=3/3

n=1

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