NAME: PERSON # LAB SECTION: Problem 4 (15 pts) 2x+y=13 (4 pts) For the given system of equations, rewrite the system in both row and column format. (2 pts) Write the a. matrix of this system. b. 4 pts) Use elementary row operations (Gaussian Elimination) to convert the augmented matrix to row-echelon form (REF) d. (3 pts) Solve the equivalent system using back substitution. l ey (2 pts) Verify that the solution you obtained satisfies the original system. Hasn't been given yet -4 2