3n+2(2n+2)=9n+12

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Solution for 3n+2(2n+2)=9n+12 equation: 



3n+2(2n+2)=9n+12

We move all terms to the left:

3n+2(2n+2)-(9n+12)=0

We multiply parentheses

3n+4n-(9n+12)+4=0

We get rid of parentheses

3n+4n-9n-12+4=0

We add all the numbers together, and all the variables

-2n-8=0

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

-2n=8

n=8/-2

n=-4

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