7(n-2)-n=4

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Solution for 7(n-2)-n=4 equation: 



7(n-2)-n=4

We move all terms to the left:

7(n-2)-n-(4)=0

We add all the numbers together, and all the variables

-1n+7(n-2)-4=0

We multiply parentheses

-1n+7n-14-4=0

We add all the numbers together, and all the variables

6n-18=0

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

6n=18

n=18/6

n=3

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