Answer:
n = 2/3
Step-by-step explanation:
[9n-9]+10=7
Subtract 10 from each side
9n -9+10-10 =7-10
9n -9 = -3
Add 9 to each side
9n -9+9 = -3+9
9n = 6
Divide by 9
9n/9 = 6/9
n = 2/3
3/7 divided 1/2 is the same as 3/7 times 2 which is 6/7.
Not sure what you mean by graphing it though. Like on a number line? There is no x or y in your equation.
Answer:
146 feet below the surface
Step-by-step explanation:

Answer:
He walks 150 km in 2.5 hours.
Step-by-step explanation:
From 9:30 a.m. to noon, it's 2.5 hours.
distance = speed * time
distance = 60 km/h * 2.5 h
distance = 150 km
Answer: He walks 150 km in 2.5 hours.