Respuesta :
just subtract it like normal numbers like
17-15 = 2 now just add y 17y-15y = 2y
17-15 = 2 now just add y 17y-15y = 2y
Answer:
2y
Step-by-step explanation:
Since 17y and 15y both have a y, you can combine it. You can subtract 17-15 to get 2, so the answer is 2y.