Hi,
You can walk 9.3 miles per hour.
<em>Hope this helps!</em>

Put the values of c = 6 and d = 7 to the expression:

Answer:
10 is the answer
Step-by-step explanation:

You pass the free terms wich don't contain 'x' in the othe part of the equal with changed signe ans the same for the terms wich contain x.