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1/2x+1/5x+1/3x=31
We move all terms to the left:
1/2x+1/5x+1/3x-(31)=0
Domain of the equation: 2x!=0
x!=0/2
x!=0
x∈R
Domain of the equation: 5x!=0
x!=0/5
x!=0
x∈R
Domain of the equation: 3x!=0We calculate fractions
x!=0/3
x!=0
x∈R
We do not support expression: x^3
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