-2/7b=4/5

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Solution for -2/7b=4/5 equation: 



-2/7b=4/5

We move all terms to the left:

-2/7b-(4/5)=0



Domain of the equation: 7b!=0

b!=0/7

b!=0

b∈R



We add all the numbers together, and all the variables

-2/7b-(+4/5)=0

We get rid of parentheses

-2/7b-4/5=0

We calculate fractions

There is no solution for this equation

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