Respuesta :

Answer:

Step-by-step explanation:

I can help

Step 1

9(x)+10-3x+21 ​  Simplify

Step 2

9(x)+10-3x+21 ​  Combine the like terms

(9x+-3x)+(10+21)

Step 3

(9x+-3x)+(10+21)  Then you add

6x+31

Answer

6x+31

Hope this helps