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1/8x+1/9x+1/72x=8
We move all terms to the left:
1/8x+1/9x+1/72x-(8)=0
Domain of the equation: 8x!=0
x!=0/8
x!=0
x∈R
Domain of the equation: 9x!=0
x!=0/9
x!=0
x∈R
Domain of the equation: 72x!=0We calculate fractions
x!=0/72
x!=0
x∈R
We do not support expression: x^3
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