CHALLENGE ACTIVITY 2.7.1: Using an inverse matrix to solve a system of equations. Jump to level 1 V 1 V Let A be the coefficient matrix of the system of equations 2 3ac1 + 7ac2 = 2 - 21 - 2x2 = -2 Use the inverse matrix A-1 = 3 to find the solution x by multiplying A-1 and b. EX: 42 + X = 1 2 3 4 Check Next Feedback