(45/111)=(15/x)

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Solution for (45/111)=(15/x) equation: 


D( x )

x = 0

x = 0

x = 0

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

45/111 = 15/x // - 15/x

45/111-(15/x) = 0

45/111-15*x^-1 = 0

-15*x^-1 = -15/37 // : -15

x^-1 = 1/37

-1 < 0

1/(x^1) = 1/37 // * x^1

1 = 1/37*x^1 // : 1/37

37 = x^1

x = 37

x = 37

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