Respuesta :

Answer:9x+6

Step-by-step explanation:

If I understand the question correctly, you add 2x and 7x which equals 9x and then 1+5 equals. Which is the simplified answer. Sorry if I didnt understand the question correctly.

Answer:

9x+6

Step-by-step explanation:

2x+1+7x+5

Combine like terms

2x+7x   +1+5

9x           +6