x/y+2y - solution

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Solution for x/y+2y equation:

x in (-oo:+oo)

x/y+2*y = 0

x*y^-1+2*y = 0 // - 2*y

x*y^-1 = -(2*y) // : y^-1

x = (-(2*y))/(y^-1)

x = -2*y^2

x = -2*y^2

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