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6.99+(3.49/a)=0
Domain of the equation: a)!=0We add all the numbers together, and all the variables
a!=0/1
a!=0
a∈R
(+3.49/a)+6.99=0
We get rid of parentheses
3.49/a+6.99=0
We multiply all the terms by the denominator
(6.99)*a+3.49=0
We multiply parentheses
6.99a+3.49=0
We move all terms containing a to the left, all other terms to the right
6.99a=-3.49
a=-3.49/6.99
a=-1/2.0028653295129
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