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4=4/a
We move all terms to the left:
4-(4/a)=0
Domain of the equation: a)!=0We add all the numbers together, and all the variables
a!=0/1
a!=0
a∈R
-(+4/a)+4=0
We get rid of parentheses
-4/a+4=0
We multiply all the terms by the denominator
4*a-4=0
We add all the numbers together, and all the variables
4a-4=0
We move all terms containing a to the left, all other terms to the right
4a=4
a=4/4
a=1
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