simultaneous equations

American  

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.

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simultaneous equations British  

plural noun

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

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Etymology

Origin of simultaneous equations

First recorded in 1835–45

Example Sentences

In maths, they cover challenging topics such as simultaneous equations and algebra which are not contained in the usual primary school curriculum.

From BBC • Jul. 2, 2012

A man hovering a helicopter, for instance, is doing something that would force a computer to solve an endless series of a dozen simultaneous equations.

From Time Magazine Archive

The conversation ebbed, changed to the mathematics teacher who did not know how to solve simultaneous equations.

From "Americanah" by Chimamanda Ngozi Adichie

When several variables occur, there are usually also several simultaneous equations connecting them; a solution of these is a set of values of the variables making all the equations true.

From The New Gresham Encyclopedia Volume 4, Part 2: Ebert to Estremadura by Various

In this notation a linear equation represents a plane, and two linear simultaneous equations represent a line, i.e. the intersection of two planes; a quadratic equation represents a surface of the second degree.

From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 7 "Equation" to "Ethics" by Various