Question

Berniece 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 Distributive Property
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?
Step 1
Step 2
Step 3
Step 4

Answer 1

Step 4

Explanation:

Answer 2

Step 4.

Explanation:

To isolate the x variable, she subtracts 8 from both sides making it another subtraction property of equality justification.