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48/4=9/b
We move all terms to the left:
48/4-(9/b)=0
Domain of the equation: b)!=0We add all the numbers together, and all the variables
b!=0/1
b!=0
b∈R
-(+9/b)+48/4=0
We add all the numbers together, and all the variables
-(+9/b)+12=0
We get rid of parentheses
-9/b+12=0
We multiply all the terms by the denominator
12*b-9=0
We add all the numbers together, and all the variables
12b-9=0
We move all terms containing b to the left, all other terms to the right
12b=9
b=9/12
b=3/4
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