1/7b=4

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Solution for 1/7b=4 equation: 



1/7b=4

We move all terms to the left:

1/7b-(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+1=0

Wy multiply elements

-28b+1=0

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

-28b=-1

b=-1/-28

b=1/28

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