Hi, 2x = y + 11 3y + 7 = -(1/2)x 2x - y = 11 -2x - 12y = -7*-4 |multiplying 2nd EQ thru by -4 to eliminate x -13y = 39 y = -3 and x = 4 ( x = (y+11)/2 CHECKING our Answer*** 3y + 7 = -(1/2)x -9 + 7 = -2 = -1/2*4