Linear equations in two variables

Linear equation in two variables

Has two variables and the power of each variable is one

General form of linear equation in two variables

ax+by=c , where a and b non-zero

6p + 4q = 9

A linear equation in two variable

xy + 2y = 3

Not a linear equation in two variable

3h – 1 = 5k

A linear equation in two variable

Not a linear equation in two variable

Solutions for a linear equation in two variables

Many possible pairs of values of solutions.

Each pair of solutions

Written in the ordered pair (x, y)

The difference between two numbers is 18.

Linear equation in two variables : x-y=18

Diagram represent a linear equation in two variables