x/3x=40

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Solution for x/3x=40 equation: 


x in (-oo:+oo)

(x/3)*x = 40 // - 40

(x/3)*x-40 = 0

1/3*x^2 = 40 // : 1/3

x^2 = 120

x^2 = 120 // ^ 1/2

abs(x) = 2*30^(1/2)

x = 2*30^(1/2) or x = -(2*30^(1/2))

x in { 2*30^(1/2), -(2*30^(1/2)) }

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