-9+8z=20

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Solution for -9+8z=20 equation: 



-9+8z=20

We move all terms to the left:

-9+8z-(20)=0

We add all the numbers together, and all the variables

8z-29=0

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

8z=29

z=29/8

z=3+5/8

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