Answer:
x=3.5
Step-by-step explanation:
add 2 to each side to cancel out the -2
6x=2x+14
subtract 2x from each side
4x=14
divide by 4
x=3.5
It will take 10 days to climb to 20 foot well, because he crawls 2 feet a day.
If Alan knows one already, there is 3 more left for him to possibly know
