42/x=6/7

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Solution for 42/x=6/7 equation: 


D( x )

x = 0

x = 0

x = 0

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

42/x = 6/7 // - 6/7

42/x-(6/7) = 0

42/x-6/7 = 0

42*x^-1 = 6/7 // : 42

x^-1 = 1/49

-1 < 0

1/(x^1) = 1/49 // * x^1

1 = 1/49*x^1 // : 1/49

49 = x^1

x = 49

x = 49

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