3=b/10-b

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Solution for 3=b/10-b equation: 



3=b/10-b

We move all terms to the left:

3-(b/10-b)=0



Domain of the equation: 10-b)!=0

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

-b)!=-10

b!=-10/1

b!=-10

b∈R



We add all the numbers together, and all the variables

-(-1b+b/10)+3=0

We get rid of parentheses

1b-b/10+3=0

We multiply all the terms by the denominator


1b*10-b+3*10=0

We add all the numbers together, and all the variables

-1b+1b*10+30=0

Wy multiply elements

-1b+10b+30=0

We add all the numbers together, and all the variables

9b+30=0

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

9b=-30

b=-30/9

b=-3+1/3

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