-z-7=8z-4

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



-z-7=8z-4

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

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

We add all the numbers together, and all the variables

-9z-3=0

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

-9z=3

z=3/-9

z=-1/3

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