Kim's teacher has marked this problem as one to recheck, but Kim cannot determine what she has done incorrectly. Identify Kim's error and write a correct solution. Six less than 2 times a number is 50. What is the number? 2x – 6 = 50 (line 1) 2x – 6 – 6 = 50 – 6 (line 2) 2x = 44 (line 3) 2x ÷ 2 = 44 ÷ 2 (line 4) x = 22 (line 5)