3n+2(n-1)=9n+4

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Solution for 3n+2(n-1)=9n+4 equation: 



3n+2(n-1)=9n+4

We move all terms to the left:

3n+2(n-1)-(9n+4)=0

We multiply parentheses

3n+2n-(9n+4)-2=0

We get rid of parentheses

3n+2n-9n-4-2=0

We add all the numbers together, and all the variables

-4n-6=0

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

-4n=6

n=6/-4

n=-1+1/2

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