Debbie solved the linear equation 3(x + 4) - 2 = 16 as follows:
Line 1: 3(x + 4) - 2 = 16
Line 2: 3(x + 4) = 18
Line 3: 3x + 4 = 18
Line 4: 3x = 14
Line 5: x = 4⅔
Find where she made an error between the lines and then explain why:
a. 1 and 2
b. 2 and 3
c. 3 and 4
d. 4 and 5