That way it is possible to find the only pair of values that solve both equations at the same time. These are known as simultaneous equations. The unknowns of \(x\) and \(y\) have the same value ...

That way it is possible to find the only pair of values that solve both equations at the same time. These are known as simultaneous equations. The unknowns of \(x\) and \(y\) have the same value ...

There’s seemingly no end to how many things you can describe with a quadratic equation. Babylonians, in particular, would solve simultaneous equations to find the roots of a quadratic.