3(n-5)/3=21

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Solution for 3(n-5)/3=21 equation: 



3(n-5)/3=21

We move all terms to the left:

3(n-5)/3-(21)=0

We multiply all the terms by the denominator


3(n-5)-21*3=0

We add all the numbers together, and all the variables

3(n-5)-63=0

We multiply parentheses

3n-15-63=0

We add all the numbers together, and all the variables

3n-78=0

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

3n=78

n=78/3

n=26

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