4=9/2+b

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Solution for 4=9/2+b equation: 



4=9/2+b

We move all terms to the left:

4-(9/2+b)=0



Domain of the equation: 2+b)!=0

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

b)!=-2

b!=-2/1

b!=-2

b∈R



We add all the numbers together, and all the variables

-(+b+9/2)+4=0

We get rid of parentheses

-b+4-9/2=0

We multiply all the terms by the denominator


-b*2-9+4*2=0

We add all the numbers together, and all the variables

-b*2-1=0

Wy multiply elements

-2b-1=0

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

-2b=1

b=1/-2

b=-1/2

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