-18+3n=30-9n=

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Solution for -18+3n=30-9n= equation: 



-18+3n=30-9n=

We move all terms to the left:

-18+3n-(30-9n)=0

We add all the numbers together, and all the variables

3n-(-9n+30)-18=0

We get rid of parentheses

3n+9n-30-18=0

We add all the numbers together, and all the variables

12n-48=0

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

12n=48

n=48/12

n=4

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