r+9=2(7)=

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Solution for r+9=2(7)= equation:



r+9=2(7)=
We move all terms to the left:
r+9-(2(7))=0
determiningTheFunctionDomain r+9-27=0
We add all the numbers together, and all the variables
r-18=0
We move all terms containing r to the left, all other terms to the right
r=18

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