simultaneous equations

noun

, (used with a plural verb)

1. a set of two or more equations, each containing two or more variables whose values can simultaneously satisfy both or all the equations in the set, the number of variables being equal to or less than the number of equations in the set.

simultaneous equations

plural noun

1. a set of equations that are all satisfied by the same values of the variables

Word History and Origins

Origin of simultaneous equations¹

First recorded in 1835–45

Example Sentences

Old Faithful had worked half-way through the algebra and was busy solving simultaneous equations whilst sitting on the War Loan.

From Project Gutenberg

Simultaneous equations which involve the second and higher powers of the unknown may be impossible of solution.

From Project Gutenberg

The solution of simultaneous equations is easily seen to be the values of x, y corresponding to the intersections of the loci.

From Project Gutenberg

It may well be that mathematical method, with a system of simultaneous equations, was necessary for the development of the idea.

From Project Gutenberg

Simultaneous equations: nine of them, involving nine unknowns.

From Project Gutenberg