19.8=475/(19+x)

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Solution for 19.8=475/(19+x) equation: 


D( x )

x+19 = 0

x+19 = 0

x+19 = 0

x+19 = 0 // - 19

x = -19

x in (-oo:-19) U (-19:+oo)

19.8 = 475/(x+19) // - 475/(x+19)

19.8-(475/(x+19)) = 0

19.8-475*(x+19)^-1 = 0

19.8-475/(x+19) = 0

(19.8*(x+19))/(x+19)-475/(x+19) = 0

19.8*(x+19)-475 = 0

19.8*x-98.8 = 0

(19.8*x-98.8)/(x+19) = 0

(19.8*x-98.8)/(x+19) = 0 // * x+19

19.8*x-98.8 = 0

19.8*x-98.8 = 0 // + 98.8

19.8*x = 98.8 // : 19.8

x = 98.8/19.8

x = 4.98989899

x = 4.98989899

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