-7z/9=21

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Solution for -7z/9=21 equation: 



-7z/9=21

We move all terms to the left:

-7z/9-(21)=0

We multiply all the terms by the denominator


-7z-21*9=0

We add all the numbers together, and all the variables

-7z-189=0

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

-7z=189

z=189/-7

z=-27

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