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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

A simultaneous equation is 2 equations with 2 unknowns

 

You are asked to find 2 unkown 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

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