3(n+3)=-4n+30

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Solution for 3(n+3)=-4n+30 equation: 



3(n+3)=-4n+30

We move all terms to the left:

3(n+3)-(-4n+30)=0

We multiply parentheses

3n-(-4n+30)+9=0

We get rid of parentheses

3n+4n-30+9=0

We add all the numbers together, and all the variables

7n-21=0

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

7n=21

n=21/7

n=3

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