15/10=18/x

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Solution for 15/10=18/x equation: 


D( x )

x = 0

x = 0

x = 0

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

15/10 = 18/x // - 18/x

15/10-(18/x) = 0

15/10-18*x^-1 = 0

-18*x^-1 = -3/2 // : -18

x^-1 = 1/12

-1 < 0

1/(x^1) = 1/12 // * x^1

1 = 1/12*x^1 // : 1/12

12 = x^1

x = 12

x = 12

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