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2*4.5+-0.5y-5y=15
We move all terms to the left:
2*4.5+-0.5y-5y-(15)=0
determiningTheFunctionDomain -0.5y-5y-15+2*4.5+=0
We add all the numbers together, and all the variables
-5.5y=0
y=0/-5.5
y=0
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