2x/5x=3

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Solution for 2x/5x=3 equation: 


x in (-oo:+oo)

((2*x)/5)*x = 3 // - 3

((2*x)/5)*x-3 = 0

2/5*x^2 = 3 // : 2/5

x^2 = 15/2

x^2 = 15/2 // ^ 1/2

abs(x) = (15/2)^(1/2)

x = (15/2)^(1/2) or x = -(15/2)^(1/2)

x in { (15/2)^(1/2), -(15/2)^(1/2) }

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