3(7+3n)=75

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Solution for 3(7+3n)=75 equation: 



3(7+3n)=75

We move all terms to the left:

3(7+3n)-(75)=0

We add all the numbers together, and all the variables

3(3n+7)-75=0

We multiply parentheses

9n+21-75=0

We add all the numbers together, and all the variables

9n-54=0

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

9n=54

n=54/9

n=6

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