# How do you solve #5x + 3y = -4.5# and #2x + 1.2y = -1.8# using matrices?

##### 1 Answer

Nov 4, 2017

#### Answer:

no solution, the lines are parallel .

#### Explanation:

in matrix form

to use matrices we need the inverse of the

to do this we need its determinant so we will do this first

In fact eqn