Translate the given system of equations into matrix form. x  +  y  −  z  =  3 3x  +  y  +  z  =  4   3x 4      +  z 9  =  1

Write the system of equations as an augmented matrix - b 4y + 3u - 18 -b + 7y 3u 4y 2u 5b - = ___ 30 - 16

Write the following linear systems in augmented matrix form, wherethe variables are ordered using the regular alphabetical order. 7 − B + 4C − 3D = A + 2 − 3B − 5C5B + 9 = −1 + 2A + 6B + 6C + 2D

Write the following system of equations as an augmented matrix in echelon form.