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42x-13=(42/x)
We move all terms to the left:
42x-13-((42/x))=0
Domain of the equation: x))!=0We add all the numbers together, and all the variables
x!=0/1
x!=0
x∈R
42x-((+42/x))-13=0
We multiply all the terms by the denominator
42x*x))-((-13*x))+42=0
We add all the numbers together, and all the variables
42x*x))-((-13x))+42=0
Wy multiply elements
42x^2-13x))+42=0
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