Z=8-7z

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Solution for Z=8-7z equation: 



=8-7Z

We move all terms to the left:

-(8-7Z)=0

We add all the numbers together, and all the variables

-(-7Z+8)=0

We get rid of parentheses

7Z-8=0

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

7Z=8

Z=8/7

Z=1+1/7

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