Respuesta :

hlv8

Answer:

9x

Step-by-step explanation:

because they're like terms add them together

3x + 6x = 3 + 6 =

9x, could i have brainliest if possible thanks!

englanda1
9x. Simply add the 3 and 6. You can do that because they both have the same variable. You have 3 x’s and 6 x’s, so you’ll have 9 x’s.