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 ...

The unknown values in an equation could be the individual costs of a smoothie and a banana when the combined cost is known. Simultaneous equations can be useful when running a business.

Several of them are what a teenager might recognise as simultaneous equations. In the emoji example above, smiley faces = 4 and blown minds = 5. Simultaneous equations without emojis are less ...

A MECHANICAL calculating machine for solving simultaneous linear equations up to ten in number under construction at the Massachusetts Institute of Technology by Drs. V. Bush and J. B. Wilbur was ...