3*n-7=-30

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Solution for 3*n-7=-30 equation: 



3n-7=-30

We move all terms to the left:

3n-7-(-30)=0

We add all the numbers together, and all the variables

3n+23=0

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

3n=-23

n=-23/3

n=-7+2/3

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