3n-7=-28

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Solution for 3n-7=-28 equation: 



3n-7=-28

We move all terms to the left:

3n-7-(-28)=0

We add all the numbers together, and all the variables

3n+21=0

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

3n=-21

n=-21/3

n=-7

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