3(n-1)=-23+7n

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Solution for 3(n-1)=-23+7n equation: 



3(n-1)=-23+7n

We move all terms to the left:

3(n-1)-(-23+7n)=0

We add all the numbers together, and all the variables

3(n-1)-(7n-23)=0

We multiply parentheses

3n-(7n-23)-3=0

We get rid of parentheses

3n-7n+23-3=0

We add all the numbers together, and all the variables

-4n+20=0

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

-4n=-20

n=-20/-4

n=+5

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