3(2n+5)-9=18

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Solution for 3(2n+5)-9=18 equation: 



3(2n+5)-9=18

We move all terms to the left:

3(2n+5)-9-(18)=0

We add all the numbers together, and all the variables

3(2n+5)-27=0

We multiply parentheses

6n+15-27=0

We add all the numbers together, and all the variables

6n-12=0

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

6n=12

n=12/6

n=2

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