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5(r+9)-2(1-2)=1
We move all terms to the left:
5(r+9)-2(1-2)-(1)=0
determiningTheFunctionDomain 5(r+9)-1-2(1-2)=0
We add all the numbers together, and all the variables
5(r+9)-1-2(-1)=0
We add all the numbers together, and all the variables
5(r+9)+1=0
We multiply parentheses
5r+45+1=0
We add all the numbers together, and all the variables
5r+46=0
We move all terms containing r to the left, all other terms to the right
5r=-46
r=-46/5
r=-9+1/5
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