3=-5n-12

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Solution for 3=-5n-12 equation: 



3=-5n-12

We move all terms to the left:

3-(-5n-12)=0

We get rid of parentheses

5n+12+3=0

We add all the numbers together, and all the variables

5n+15=0

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

5n=-15

n=-15/5

n=-3

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