Answer Happy

Question 18 Write the augmented matrix for the given system. Not yet answered  Points out of 8.75 P. Flag ​7x+9=−7z−4x+4z=−8−6y−3x−7y+9z=2​ Select one: a. ⎣⎡​7−4−3​06−7​749​−9−82​⎦⎤​ b. ⎣⎡​7−4−3​0−6−7​949​−7−82​⎦⎤​ c. \begin{tabular}{lll|l} 7 & 0 & −7 & 9 \end{tabular}