Respuesta :

Answer: 7, 2 in order.

Step-by-step explanation:

We can combine like terms.

5 - 4 + 1 = 2.

Therefore, 5 - 4 + 7x +1 = 7x + 2.

Thus, the blanks are 7, 2 in order.

couragepaul12

Answer:

7x + 2

Step-by-step explanation:

5-4 +7x +1

= 7x+1+5-4

= 7x + 2