Question

Solve using matrices.
6x + 4y = 12
3x + 2y = 6

Answer 1

no solution

Explanation:

1. see what you can cross out first.
2. i am going to cross out y's first.
3. I only multiplied the 2nd equation with negative 2.
4. when you do that; you get a -6x-4y=-12.
5. This means there is no solution because everything crossed out.

Answer 2

( x, 3 - 3x/2 )