12-1/10b=-28

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Solution for 12-1/10b=-28 equation: 



12-1/10b=-28

We move all terms to the left:

12-1/10b-(-28)=0



Domain of the equation: 10b!=0

b!=0/10

b!=0

b∈R



We add all the numbers together, and all the variables

-1/10b+40=0

We multiply all the terms by the denominator


40*10b-1=0

Wy multiply elements

400b-1=0

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

400b=1

b=1/400

b=1/400

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