-12x=-75-11y-5x=-89-11y
12x - 11y = 75 . . . . . . . . (1)5x - 11y = 89 . . . . . . . . (2)(1) - (2): 7x = -14x = -2From (1): 12(-2) - 11y = 75-24 - 11y = 75-11y = 75 + 24 = 99y = -9Therefore, x = -2 and y = -9