8/x=y/7

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Solution for 8/x=y/7 equation: 


D( x )

x = 0

x = 0

x = 0

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

8/x = y/7 // - y/7

8/x-(y/7) = 0

8*x^-1 = -(-1/7*y) // : 8

x^-1 = 1/56*y

-1 < 0

1/(x^1) = 1/56*y // * x^1

1 = 1/56*x^1*y // : 1/56*y

56*y^-1 = x^1

x = 56*y^-1

x = 56*y^-1

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