3=1/2+b

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Solution for 3=1/2+b equation:



3=1/2+b
We move all terms to the left:
3-(1/2+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+1/2)+3=0
We get rid of parentheses
-b+3-1/2=0
We multiply all the terms by the denominator
-b*2-1+3*2=0
We add all the numbers together, and all the variables
-b*2+5=0
Wy multiply elements
-2b+5=0
We move all terms containing b to the left, all other terms to the right
-2b=-5
b=-5/-2
b=2+1/2

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