2/7z=4

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Solution for 2/7z=4 equation: 



2/7z=4

We move all terms to the left:

2/7z-(4)=0



Domain of the equation: 7z!=0

z!=0/7

z!=0

z∈R



We multiply all the terms by the denominator


-4*7z+2=0

Wy multiply elements

-28z+2=0

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

-28z=-2

z=-2/-28

z=1/14

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