olve the system using matrices (row operations) ⎧⎩⎨⎪⎪4x−4y−5z3x+2y+6z3x+5y+4z=6=24=20{4x−4y−5z=63x+2y+6z=243x+5y+4z=20 How many solutions are there to this system? A. None B. Exactly 1 C. Exactly 2 D. Exactly 3 E. Infinitely many F. None of the above If there is one solution, give its coordinates in the answer spaces below. If there are infinitely many solutions, enter z in the answer blank for zz, enter a formula for yy in terms of zz in the answer blank for yy and enter a formula for xx in terms of zz in the answer blank for xx. If there are no solutions, leave the answer blanks for xx, yy and zz empty. x=x= y=y= z=z= Note: In order to get credit for this problem all answers must be correct. You have attempted this problem 7 times. Your overall recorded score is 0%. You have 3 attempts remaining.