12-7/x=-2

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Solution for 12-7/x=-2 equation: 


D( x )

x = 0

x = 0

x = 0

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

12-(7/x) = -2 // + 2

2-(7/x)+12 = 0

2-7*x^-1+12 = 0

-7*x^-1 = -14 // : -7

x^-1 = 2

-1 < 0

1/(x^1) = 2 // * x^1

1 = 2*x^1 // : 2

1/2 = x^1

x = 1/2

x = 1/2

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