QUESTION:
n + 3 = -7
ANSWER:

STEP-BY-STEP EXPLANATION:
First, Subtract 3 from the both sides of the equation

Last, Subtract 3 from - 7

hope it's helps
Answer:
1,000
Step-by-step explanation:
It would be 3 places to the left, that is 1,000 so ya!
50 minutes= 5/6 hr
(1 3/4 miles)/ (5/6 hr)= 2.1 miles/hr
Hope this would help~