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x in (-oo:+oo)
F = (9/5)*(K+273.15)+32 // - (9/5)*(K+273.15)+32
F-((9/5)*(K+273.15))-32 = 0
(-9/5)*(K+273.15)+F-32 = 0
F-9/5*(K+273.15)-32 = 0
F-9/5*(K+273.15)-32 = 0
F-9/5*K-491.67-32 = 0
F-9/5*K-523.67 = 0
F-9/5*K-523.67 = 0
x belongs to the empty set
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