-2/7b=4

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Solution for -2/7b=4 equation: 



-2/7b=4

We move all terms to the left:

-2/7b-(4)=0



Domain of the equation: 7b!=0

b!=0/7

b!=0

b∈R



We multiply all the terms by the denominator


-4*7b-2=0

Wy multiply elements

-28b-2=0

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

-28b=2

b=2/-28

b=-1/14

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