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-4/a=48
We move all terms to the left:
-4/a-(48)=0
Domain of the equation: a!=0We multiply all the terms by the denominator
a∈R
-48*a-4=0
We add all the numbers together, and all the variables
-48a-4=0
We move all terms containing a to the left, all other terms to the right
-48a=4
a=4/-48
a=-1/12
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