18+5n=7n-2

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Solution for 18+5n=7n-2 equation: 



18+5n=7n-2

We move all terms to the left:

18+5n-(7n-2)=0

We get rid of parentheses

5n-7n+2+18=0

We add all the numbers together, and all the variables

-2n+20=0

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

-2n=-20

n=-20/-2

n=+10

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