7/x=13(-2)

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Solution for 7/x=13(-2) equation: 


D( x )

x = 0

x = 0

x = 0

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

7/x = -2*13 // + -2*13

7/x-(-2*13) = 0

7/x+26 = 0

7*x^-1 = -26 // : 7

x^-1 = -26/7

-1 < 0

1/(x^1) = -26/7 // * x^1

1 = -26/7*x^1 // : -26/7

-7/26 = x^1

x = -7/26

x = -7/26

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