You would divide miles to hours amd get 57.5
Answer: 2
Step-by-step explanation:
I’m pretty sure the answer is 16, I’m very sorry if this is incorrect.
For this case, we have the following expression:

We simplify the expression:
If we add similar terms, taking into account that different signs are subtracted and the sign of the greater one is placed, we have that 
So, we have to:

Answer:
-3x + x + 5 = -2x + 5