3(2n+1)=9n

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



3(2n+1)=9n

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

-9n+6n+3=0

We add all the numbers together, and all the variables

-3n+3=0

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

-3n=-3

n=-3/-3

n=1

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