197k views
1 vote
Marlena solved the equation 2x + 5 = –10 – x. Her steps are shown below.

2x + 5 = –10 – x

3x + 5 = –10
3x = –15
x = –5
Use the drop-down menus to justify Marlena’s work in each step of the process.

Step 1:

Step 2:

Step 3:

User Leemeichin
by
3.9k points

1 Answer

5 votes

Answer: step 1. addition property of equality

step 2. subtraction property of equality

step 3. division property of equality

Explanation:

User Diego Alvis
by
4.3k points