18-15n=-20n-12

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Solution for 18-15n=-20n-12 equation: 



18-15n=-20n-12

We move all terms to the left:

18-15n-(-20n-12)=0

We get rid of parentheses

-15n+20n+12+18=0

We add all the numbers together, and all the variables

5n+30=0

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

5n=-30

n=-30/5

n=-6

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