20x/9x=55

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Solution for 20x/9x=55 equation: 


x in (-oo:+oo)

((20*x)/9)*x = 55 // - 55

((20*x)/9)*x-55 = 0

20/9*x^2 = 55 // : 20/9

x^2 = 99/4

x^2 = 99/4 // ^ 1/2

abs(x) = (99/4)^(1/2)

x = (99/4)^(1/2) or x = -(99/4)^(1/2)

x in { (99/4)^(1/2), -(99/4)^(1/2) }

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