Respuesta :

Answer:

23s-7

Step-by-step explanation:

Expand the brackets

17s-10+6s+3

Collect like terms (-10+3 & 17s+6s)

23s-7.

Answer:

B

Step-by-step explanation:

17s - 10 + 3 (2s + 1)

17s - 10 + 6s + 3

23s - 10 + 3

23s - 7