a) x +14 = 20 x = 20 - 14 x = 6 b) x - 15 = 34 x = 34 + 15 x = 49 c) x - 5 = 2 x = 2 + 5 x = 7 d) x - 16 = 29 x = 29 + 16 x = 45 e) 14 + x = 11 x = 11 - 14 x = (-3) f) x + 17 = 23 x = 23 - 17 x = 6 g) 4 + x = 3 x = 3 - 4 x = (-1) h) 13y = 39/:13 y = 3 i) 4y = 12/:4 y = 3 j) 1/2x = -3/:1/2 x = -6