9z-28=z+20

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Solution for 9z-28=z+20 equation: 



9z-28=z+20

We move all terms to the left:

9z-28-(z+20)=0

We get rid of parentheses

9z-z-20-28=0

We add all the numbers together, and all the variables

8z-48=0

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

8z=48

z=48/8

z=6

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