3(2n-4)=42

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Solution for 3(2n-4)=42 equation: 



3(2n-4)=42

We move all terms to the left:

3(2n-4)-(42)=0

We multiply parentheses

6n-12-42=0

We add all the numbers together, and all the variables

6n-54=0

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

6n=54

n=54/6

n=9

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