Could someone help me with this problem. Don't seem to understand. Write the augmented matrix of the system:

Question

x-y+2z=4
3y+z=5
3x-y=4

Answer 1

take a look what they did on this site.

Remember you have 3 variables, so you have to insert zeros for the last two equations

http://www.mathwords.com/a/augmented_matrix.htm