8z/7-39=21-6z/7

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Solution for 8z/7-39=21-6z/7 equation: 



8z/7-39=21-6z/7

We move all terms to the left:

8z/7-39-(21-6z/7)=0

We add all the numbers together, and all the variables

8z/7-(-6z/7+21)-39=0

We get rid of parentheses

8z/7+6z/7-21-39=0

We multiply all the terms by the denominator


8z+6z-21*7-39*7=0

We add all the numbers together, and all the variables

14z-420=0

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

14z=420

z=420/14

z=30

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