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 add all the numbers together, and all the variables

3/7z+9=0

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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