12.3=42/5+b

Solution for 12.3=42/5+b equation:

12.3=42/5+b

We move all terms to the left:

12.3-(42/5+b)=0


Domain of the equation: 5+b)!=0

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

b)!=-5

b!=-5/1

b!=-5

b∈R


We add all the numbers together, and all the variables

-(+b+42/5)+12.3=0

We get rid of parentheses

-b+12.3-42/5=0

We multiply all the terms by the denominator


-b*5-42+(12.3)*5=0

We add all the numbers together, and all the variables

-b*5+19.5=0

Wy multiply elements

-5b+19.5=0

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

-5b=-19.5

b=-19.5/-5

b=3+3/3.3333333333333