j3fhjjgn9v j3fhjjgn9v 14-12-2020 Mathematics contestada 1) x + y = -15 2) 2y+ 8x = 1 3)-2x + y = 1 4) 3y - 2x = 9 5) 2y = -1x - 8 6)y -4 = -3(x-3)