When solving for the value of x in the equation 4 (x - 1) + 3 = 18,
Aaron wrote the following lines on the board.
[line 1] 4 (x - 1) + 3 = 18
[line 2] 4 (x - 1) = 15
[line 3] 4x - 1 = 15
[line 4] 4x = 16
[line 5] x=4
Which property was used incorrectly when going from line 2 to line 3?
(1) distributive (3) associative
(2) commutative (4) multiplicative inverse
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