Answer: You can't. Read explanation.
Step-by-step explanation:
You can't subtract an expression from an equation. If you said something like subtract 8b-ab+7a from 3a-9ab+b that would work, but not here.
Let's just assume You mean it as 8b-ab-7a, then (3a-9ab+b)-(8b-ab-7a) = -8ab + 10a - 7b.
Hope that helped,
-sirswagger21
Seems like you could just find the speed of the plane with (720*2)km/10hr.
Answer:
11
Step-by-step explanation:
17(3.25)=55.25
72.85-55.25=17.60
17.60/1.60=11
