3=9x/3x

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Solution for 3=9x/3x equation: 


x in (-oo:+oo)

3 = ((9*x)/3)*x // - ((9*x)/3)*x

3-(((9*x)/3)*x) = 0

3-3*x^2 = 0

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

x^2 = 1

x^2 = 1 // ^ 1/2

abs(x) = 1

x = 1 or x = -1

x in { 1, -1 }

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