1) Solve by using the matrix method: 2x + 6y = 10 -x - 3y = -5 2) Determine if the following matrices are in reduced form, if not tell why not. - 2 a) 1 Lo - 2 10 L1 0 0 w 0 1 10 1 - 6 [1 6 0 1 1 d) 10 - 3 Lo 0 0 3) Add, Subtract, or Multiply, if possible. If not possible, state so. c) [-231-1341 1 0 01 21] 1) 0 1 0 * - 4 e) 12 391 +13 8 9