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4a-2/2=7
We move all terms to the left:
4a-2/2-(7)=0
determiningTheFunctionDomain 4a-7-2/2=0
We add all the numbers together, and all the variables
4a-8=0
We move all terms containing a to the left, all other terms to the right
4a=8
a=8/4
a=2
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