Revise how to solve simultaneous equations algebraically by eliminating one of the unknowns. BBC Bitesize Scotland revision for SQA National 5 Maths.

The most common method for solving simultaneous equations is the elimination method which means one of the unknowns will be removed from both equations. The remaining unknown can then be calculated.

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 ...