(28-x)/x=8.4

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Solution for (28-x)/x=8.4 equation: 


D( x )

x = 0

x = 0

x = 0

x in (-oo:0) U (0:+oo)

(28-x)/x = 8.4 // - 8.4

(28-x)/x-8.4 = 0

(28-x)/x+(-8.4*x)/x = 0

28-x-8.4*x = 0

28-9.4*x = 0

(28-9.4*x)/x = 0

(28-9.4*x)/x = 0 // * x

28-9.4*x = 0

28-9.4*x = 0 // - 28

-9.4*x = -28 // : -9.4

x = -28/(-9.4)

x = 2.9787234

x = 2.9787234

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