3(3+4n)=105

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Solution for 3(3+4n)=105 equation: 



3(3+4n)=105

We move all terms to the left:

3(3+4n)-(105)=0

We add all the numbers together, and all the variables

3(4n+3)-105=0

We multiply parentheses

12n+9-105=0

We add all the numbers together, and all the variables

12n-96=0

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

12n=96

n=96/12

n=8

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