Simultaneous equations - two equations

Simultaneous equations are two equations with two unknowns. The unknowns have the same values in each equation.

Simultaneous equations should read.

A simultaneous equation is 2 equations with 2 unknowns

You are asked to find 2 unknown values by solving two equations.

Below are 3 examples of simultaneous equations:

Example 1

`y=4x` ................. equation 1

and `2x+y=6` .......... equation 2

Example 2

`5a+2b=18` ................. equation 1

and `3a-5b=17` .................. equation 2

Example 3

`0=x^2+2y` ................. equation 1

and `y=3x+4` .................... equation 2