Question

I need help please.

Which of the following expressions are equivalent to 7x + 14 − 3x + 12?


1. 21x + 8x

2. 7x − 3x + 14 + 12

3. 4x + 14 + 12

4. 4x − 2

5. 7x + 26 − 3x

Answer 1

I just did this quetio with the tutor the answers are 2, 3, and 5.

Answer 2

answer is #3
add up all the x’s