-7z/8=21

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Solution for -7z/8=21 equation: 



-7z/8=21

We move all terms to the left:

-7z/8-(21)=0

We multiply all the terms by the denominator


-7z-21*8=0

We add all the numbers together, and all the variables

-7z-168=0

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

-7z=168

z=168/-7

z=-24

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