107k views
5 votes
Isabella solved the following equation: 4x – 2x + 8 = 6(x + 4) Step Work Justification 1 4x – 2x + 8 = 6x + 24 Distributive Property 2 2x + 8 = 6x + 24 Combine like terms 3 −4x + 8 = 24 Addition property of equality 4 −4x = 16 Subtraction 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)

2 Answers

1 vote

Answer:

Step 2 is incorrect.


Explanation:


User Andriy Gordiychuk
by
7.9k points
5 votes

Answer: step 2

Explanation:

Step 2 is incorrect because Isabella is not combining like terms but doing Subtraction between two like terms that were already on the same side of the equality.

User Niloofar
by
8.0k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories