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9=4/7(5)+b
We move all terms to the left:
9-(4/7(5)+b)=0
Domain of the equation: 75+b)!=0We add all the numbers together, and all the variables
We move all terms containing b to the left, all other terms to the right
b)!=-75
b!=-75/1
b!=-75
b∈R
-(+b+4/75)+9=0
We get rid of parentheses
-b+9-4/75=0
We multiply all the terms by the denominator
-b*75-4+9*75=0
We add all the numbers together, and all the variables
-b*75+671=0
Wy multiply elements
-75b+671=0
We move all terms containing b to the left, all other terms to the right
-75b=-671
b=-671/-75
b=8+71/75
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