5n+18=7n-12

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Solution for 5n+18=7n-12 equation: 



5n+18=7n-12

We move all terms to the left:

5n+18-(7n-12)=0

We get rid of parentheses

5n-7n+12+18=0

We add all the numbers together, and all the variables

-2n+30=0

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

-2n=-30

n=-30/-2

n=+15

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