-1/2b=-20

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Solution for -1/2b=-20 equation: 



-1/2b=-20

We move all terms to the left:

-1/2b-(-20)=0



Domain of the equation: 2b!=0

b!=0/2

b!=0

b∈R



We add all the numbers together, and all the variables

-1/2b+20=0

We multiply all the terms by the denominator


20*2b-1=0

Wy multiply elements

40b-1=0

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

40b=1

b=1/40

b=1/40

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