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4/312a+8)=31.2
We move all terms to the left:
4/312a+8)-(31.2)=0
Domain of the equation: 312a!=0We add all the numbers together, and all the variables
a!=0/312
a!=0
a∈R
4/312a=0
We multiply all the terms by the denominator
4!=0
There is no solution for this equation
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