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-1/2b-9=1/2b-2
We move all terms to the left:
-1/2b-9-(1/2b-2)=0
Domain of the equation: 2b!=0
b!=0/2
b!=0
b∈R
Domain of the equation: 2b-2)!=0We get rid of parentheses
b∈R
-1/2b-1/2b+2-9=0
We multiply all the terms by the denominator
2*2b-9*2b-1-1=0
We add all the numbers together, and all the variables
2*2b-9*2b-2=0
Wy multiply elements
4b-18b-2=0
We add all the numbers together, and all the variables
-14b-2=0
We move all terms containing b to the left, all other terms to the right
-14b=2
b=2/-14
b=-1/7
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