3/2=42/x

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Solution for 3/2=42/x equation: 


D( x )

x = 0

x = 0

x = 0

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

3/2 = 42/x // - 42/x

3/2-(42/x) = 0

3/2-42*x^-1 = 0

-42*x^-1 = -3/2 // : -42

x^-1 = 1/28

-1 < 0

1/(x^1) = 1/28 // * x^1

1 = 1/28*x^1 // : 1/28

28 = x^1

x = 28

x = 28

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