-3/7z=9

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Solution for -3/7z=9 equation: 



-3/7z=9

We move all terms to the left:

-3/7z-(9)=0



Domain of the equation: 7z!=0

z!=0/7

z!=0

z∈R



We multiply all the terms by the denominator


-9*7z-3=0

Wy multiply elements

-63z-3=0

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

-63z=3

z=3/-63

z=-1/21

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