21/x+2=7/6

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Solution for 21/x+2=7/6 equation: 


D( x )

x = 0

x = 0

x = 0

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

21/x+2 = 7/6 // - 7/6

21/x-(7/6)+2 = 0

21/x-7/6+2 = 0

21*x^-1 = -5/6 // : 21

x^-1 = -5/126

-1 < 0

1/(x^1) = -5/126 // * x^1

1 = -5/126*x^1 // : -5/126

-126/5 = x^1

x = -126/5

x = -126/5

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