-7/8z=21/40

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Solution for -7/8z=21/40 equation: 



-7/8z=21/40

We move all terms to the left:

-7/8z-(21/40)=0



Domain of the equation: 8z!=0

z!=0/8

z!=0

z∈R



We add all the numbers together, and all the variables

-7/8z-(+21/40)=0

We get rid of parentheses

-7/8z-21/40=0

We calculate fractions

There is no solution for this equation

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