4/7z=15

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Solution for 4/7z=15 equation: 



4/7z=15

We move all terms to the left:

4/7z-(15)=0



Domain of the equation: 7z!=0

z!=0/7

z!=0

z∈R



We multiply all the terms by the denominator


-15*7z+4=0

Wy multiply elements

-105z+4=0

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

-105z=-4

z=-4/-105

z=4/105

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