Subtract from both sides of the equation.

To rewrite as a function of , write the equation so that is by itself on one side of the equal sign and an expression involving only is on the other side.

Write as a Function of x x^2+y=169

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# Write as a Function of x x^2+y=169

Subtract from both sides of the equation.

To rewrite as a function of , write the equation so that is by itself on one side of the equal sign and an expression involving only is on the other side.

Write as a Function of x x^2+y=169