theressemcrns theressemcrns 15-05-2023 Mathematics contestada 7. Solve each linear system using the elimination method. a) x - y = 17 x+y=-9 c) 3x + 2y = 10 2x-y=4 b) 2 =2x-3 3x + 2y = // 9 d) x + 7 = y 2x+y = -8
