5n+12=2n-18

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Solution for 5n+12=2n-18 equation: 



5n+12=2n-18

We move all terms to the left:

5n+12-(2n-18)=0

We get rid of parentheses

5n-2n+18+12=0

We add all the numbers together, and all the variables

3n+30=0

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

3n=-30

n=-30/3

n=-10

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