28/x+3=7/4

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Solution for 28/x+3=7/4 equation: 


D( x )

x = 0

x = 0

x = 0

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

28/x+3 = 7/4 // - 7/4

28/x-(7/4)+3 = 0

28/x-7/4+3 = 0

28*x^-1 = -5/4 // : 28

x^-1 = -5/112

-1 < 0

1/(x^1) = -5/112 // * x^1

1 = -5/112*x^1 // : -5/112

-112/5 = x^1

x = -112/5

x = -112/5

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