Keisha solved the following equation: 4x - 2x + 8 = 6 (x + 4) Step Work Justification 1 2x + 8 = 6 (x + 4) Combine like terms 2 2x + 8 = 6x + 24 Associative property of multiplication 3 - 4x + 8 = 24 Subtraction property of equality 4 - 4x = 16 Addition property of equality 5 x = - 4 Division property of equality Which step has an incorrect justification? (Make sure to type only the number of the step into the blank: 1, 2, 3, 4 or 5)
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