How to find the point on a parabola where x and y are equal?

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On a parabola how could i find the point at which the y and x points are equal and meet on a point of the graph, algebraically?

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Substitute $x$ for $y$ in the parabola equation and solve for $x$.

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Hint

In the given equation of parabola. Substitute y = x, and solve the quadratic equation for x.

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Replace x with y or y with x and solve for the unknown variable. Then, the value you get will be valid for x=y.