Respuesta :

wegnerkolmp2741o

Answer:

9x + 10

Step-by-step explanation:

5x+3 + 4x+7

Combine like terms

5x+4x   +3+7

9x + 10

naileapilots21

Answer:

The answer is 9x+10

Step-by-step explanation:

You have to combine all the like terms, x + x and constants with constants