3(z+7)/3=21

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Solution for 3(z+7)/3=21 equation: 



3(z+7)/3=21

We move all terms to the left:

3(z+7)/3-(21)=0

We multiply all the terms by the denominator


3(z+7)-21*3=0

We add all the numbers together, and all the variables

3(z+7)-63=0

We multiply parentheses

3z+21-63=0

We add all the numbers together, and all the variables

3z-42=0

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

3z=42

z=42/3

z=14

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