7z-1=8z+4

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Solution for 7z-1=8z+4 equation: 



7z-1=8z+4

We move all terms to the left:

7z-1-(8z+4)=0

We get rid of parentheses

7z-8z-4-1=0

We add all the numbers together, and all the variables

-1z-5=0

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

-z=5

z=5/-1

z=-5

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