-x+2y=9-7x-2y=-1 Solve each system by elimination
x - 2y = - 97x + 2y = 1 x - 2y = - 9(+) 7x + 2y = 1 ___________ 8x = - 8x = - 1- 1 - 2y = - 92y = 8y = 4i am a mathematics teacher. if anything to ask please pm me
