3(2n+n)=36

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Solution for 3(2n+n)=36 equation: 



3(2n+n)=36

We move all terms to the left:

3(2n+n)-(36)=0

We add all the numbers together, and all the variables

3(+3n)-36=0

We multiply parentheses

9n-36=0

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

9n=36

n=36/9

n=4

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