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420a-1337(a(a2(a)(a)))=69
We move all terms to the left:
420a-1337(a(a2(a)(a)))-(69)=0
determiningTheFunctionDomain 420a-1337(aa2aa)-69=0
We add all the numbers together, and all the variables
420a-1337(+aa2aa)-69=0
We multiply parentheses
420a-1337a-69=0
We add all the numbers together, and all the variables
-917a-69=0
We move all terms containing a to the left, all other terms to the right
-917a=69
a=69/-917
a=-69/917
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