Question

Write the augmented matrix for the system of linear equations.

7x + 4y = 53
5x − 9y = −57

Answer 1

7 4 53
5 -9 -57
http://www.gregthatcher.com/Mathematics/GaussJordan.aspx

Answer 2

I got this answer but my online assignment said it's wrong please help me
1 0 3
0 1 8