Question

Can someone help me with this?

Answer 1

Answer: 10x + 10

Step-by-step explanation: (3x +4) + (7x + 5)

= (3x) + (4) + (7x) + (5)

= (3x + 7x) + (4 + 5)

= 10x + 9.

Answer 2

Answer:

10x +9

Step-by-step explanation:

(3x +4) + (7x + 5)

= (3x) + (4) + (7x) + (5)

= (3x + 7x) + (4 + 5)

= 10x + 9.