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Consider the following system of linear equations. -2x - 12y = 16 -4x-20y = 24 Solve the system by completing the steps below to produce a reduced row-echelon form. Kj and Ry denote the first and second rows, respe notation (*) means the expression/matrix on the left becomes the expression/ matrix on the right once the row operations are performed. (a) Enter the augmented matrix. X (b) For each step below, enter the coefficient for the row operation and the missing entries in the resulting matrix. Step 1: Step 2: D. R, + R - RX 1 0 0 Step 3: Step 4: (c) Give the solution. x = [ y = 1