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45a+1/2=172
We move all terms to the left:
45a+1/2-(172)=0
determiningTheFunctionDomain 45a-172+1/2=0
We multiply all the terms by the denominator
45a*2+1-172*2=0
We add all the numbers together, and all the variables
45a*2-343=0
Wy multiply elements
90a-343=0
We move all terms containing a to the left, all other terms to the right
90a=343
a=343/90
a=3+73/90
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