Question

“Which expressions are equivalent to x + x + x + 2?”

Answer 1

3x+2

Explanation:

x+x+x=3x

Because there are three lots of x

You can’t add 2 to the x so 2 is going to be separate

Answer is

3x+2

Answer 2

ANSWER: 3x+2
You have 3 x’s and they are like terms so you can combine them. However, you cannot combine the 2 because it doesn’t have any terms next to it so it stays the same. Hope this helps!