Solve the following system of equations algebraically. Verify your solution by using matrices.

3x-y=0
5x+2y=22

3 answers

-y=-3x
y=3x

5x+2(3x)=22
5x+6x=22
11x=22
x=2

y=3(2)
y=6
(3 -1)(2)
(5 2)(6)
=
(0)
(22)
thank you steve!