-7z-1=-8

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



-7z-1=-8

We move all terms to the left:

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

We add all the numbers together, and all the variables

-7z+7=0

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

-7z=-7

z=-7/-7

z=1

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