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1.54/5+a=21
We move all terms to the left:
1.54/5+a-(21)=0
determiningTheFunctionDomain a-21+1.54/5=0
We multiply all the terms by the denominator
a*5+1.54-21*5=0
We add all the numbers together, and all the variables
a*5-103.46=0
Wy multiply elements
5a-103.46=0
We move all terms containing a to the left, all other terms to the right
5a=103.46
a=103.46/5
a=20+2.3698630137/3.42465753425
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