3(n/4)+3n=42

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Solution for 3(n/4)+3n=42 equation: 



3(n/4)+3n=42

We move all terms to the left:

3(n/4)+3n-(42)=0

We add all the numbers together, and all the variables

3(+n/4)+3n-42=0

We add all the numbers together, and all the variables

3n+3(+n/4)-42=0

We multiply parentheses

3n+3n-42=0

We add all the numbers together, and all the variables

6n-42=0

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

6n=42

n=42/6

n=7

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