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

4 + 8x
4 plus 8 x

4 x + 8
4x plus 8

12 x
12 x

12x2
1 answer
12x
Responses

4 + 8x
4 plus 8 x

4 x + 8
4x plus 8

12 x
12 x

12x2
1 answer