3/10=450/x

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Solution for 3/10=450/x equation: 


D( x )

x = 0

x = 0

x = 0

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

3/10 = 450/x // - 450/x

3/10-(450/x) = 0

3/10-450*x^-1 = 0

-450*x^-1 = -3/10 // : -450

x^-1 = 1/1500

-1 < 0

1/(x^1) = 1/1500 // * x^1

1 = 1/1500*x^1 // : 1/1500

1500 = x^1

x = 1500

x = 1500

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