Consider the system below.

{4x-2y=-12}
{3x-y=-3}


Solve the system by using a matrix equation.

4 answers

+4 -2 -12
+3 -1 -3
gauss jordan
see
http://www.gregthatcher.com/Mathematics/GaussJordan.aspx
I appreciate the help thank you, Damon
x = 3, y = 12

Step 2: Enter the values for your matrix, and press the "Solve" button.



Divide row1 by 4
1 -1/2 -3
3 -1 -3

Add (-3 * row1) to row2
1 -1/2 -3
0 1/2 6

Divide row2 by 1/2
1 -1/2 -3
0 1 12

Add (1/2 * row2) to row1
1 0 3
0 1 12
You are welcome.