3/5z=21

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Solution for 3/5z=21 equation: 



3/5z=21

We move all terms to the left:

3/5z-(21)=0



Domain of the equation: 5z!=0

z!=0/5

z!=0

z∈R



We multiply all the terms by the denominator


-21*5z+3=0

Wy multiply elements

-105z+3=0

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

-105z=-3

z=-3/-105

z=1/35

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