(193+25x)/(15+x)=18.3

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Solution for (193+25x)/(15+x)=18.3 equation: 


D( x )

x+15 = 0

x+15 = 0

x+15 = 0

x+15 = 0 // - 15

x = -15

x in (-oo:-15) U (-15:+oo)

(25*x+193)/(x+15) = 18.3 // - 18.3

(25*x+193)/(x+15)-18.3 = 0

(25*x+193)/(x+15)+(-18.3*(x+15))/(x+15) = 0

25*x-18.3*(x+15)+193 = 0

6.7*x-81.5 = 0

(6.7*x-81.5)/(x+15) = 0

(6.7*x-81.5)/(x+15) = 0 // * x+15

6.7*x-81.5 = 0

6.7*x-81.5 = 0 // + 81.5

6.7*x = 81.5 // : 6.7

x = 81.5/6.7

x = 12.1641791

x = 12.1641791

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