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-9-4/a=5
We move all terms to the left:
-9-4/a-(5)=0
Domain of the equation: a!=0We add all the numbers together, and all the variables
a∈R
-4/a-14=0
We multiply all the terms by the denominator
-14*a-4=0
We add all the numbers together, and all the variables
-14a-4=0
We move all terms containing a to the left, all other terms to the right
-14a=4
a=4/-14
a=-2/7
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