3n+30=5n+12

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Solution for 3n+30=5n+12 equation: 



3n+30=5n+12

We move all terms to the left:

3n+30-(5n+12)=0

We get rid of parentheses

3n-5n-12+30=0

We add all the numbers together, and all the variables

-2n+18=0

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

-2n=-18

n=-18/-2

n=+9

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