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-7=13+2/5b
We move all terms to the left:
-7-(13+2/5b)=0
Domain of the equation: 5b)!=0We add all the numbers together, and all the variables
b!=0/1
b!=0
b∈R
-(2/5b+13)-7=0
We get rid of parentheses
-2/5b-13-7=0
We multiply all the terms by the denominator
-13*5b-7*5b-2=0
Wy multiply elements
-65b-35b-2=0
We add all the numbers together, and all the variables
-100b-2=0
We move all terms containing b to the left, all other terms to the right
-100b=2
b=2/-100
b=-1/50
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