2 hours is = 1/2 hour x 4
And because Miguel walked 3/4 mile in 1/2 an hour, you can multiply 3/4 by 4 to get the answer.
3/4 x 4 = 3
Miguel walked 3 miles in 2 hours.
Answer:

Step-by-step explanation:
Move the b over to the other side to get the 2a alone.
2a=c-b
Then divide the entire equation by 2 to get a instead of 2a.


I don't mean to be clicking just to get a point without answering the question but there's no comment option.
Is there more to the question, any more info?