195k views
3 votes
3x + 4 = 8x - 11
Solve using properties of equality.
check your solution.
x = a

User Mixkat
by
5.1k points

2 Answers

5 votes

Answer:

x = 3

Explanation:

Step 1. add 11 to both sides

3x + 4 = 8x - 11

+11 +11

3x + 15 = 8x

Step 2. subtract 3x from both sides

3x + 15 = 8x

- 3x -3x

15 = 5x

Step 3. divide by 5 to isolate x

15 = 5x

/5 /5

x = 5

User DocWiki
by
5.3k points
4 votes

Answer:

x=3

Let me know if you need an explanation.

User Serdar Basegmez
by
4.7k points