Assignme nto8: Problem 18 Previous Problem Problem List Next Problem 1 point) Consider the following linear system. -5 +6x2 +9x3-K4-8X5 = 2 3x1 6x3 -3x4 -85-3 2x1-5x2-83 7x4 5x 3 -5x4x2 + 8x3 +9x4-7x5 =-2 Suppose that A is defined in MATLAB as the augmented matrix of the above system. If we need to solve the above system, what command should be use to convert A to the following form? (Note: For simplicity, only two decimal places are shown.) 1.00 0.00 0.00 -1.00 0.00 -0.18 0.00 1.00 0.00 -1.00 0.00 0.4 0.00 0.00 1.00 0.00 0.00 -1.61 0.00 0.00 0.00 0.00 1.00 -1.65 What is the solution of the system? Use t to represent the free variable Xi X4 rs