
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
Given a man commutes between home and work, let $x$ represent the number of working days. If the man took the bus to work in the morning $8$ times and came home by bus in the afternoon $15$ times, but took the train either in the morning or the afternoon $9$ times, determine the value of $x$.

Present the answer in LaTex format: \boxed{Your answer}
user