Simplify 4x + 8x using the properties of operations.(1 point)

Question

Responses

4 + 8x
4 plus 8 x

12x
12 x

4x + 8
4 x plus 8

12x2

Answer 1

To simplify $4x+8x$ using the properties of operations, you combine the like terms:

$$4x+8x=(4+8)x=12x.$$

The correct response is:

12x.