
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
If Tom's algebra notebook has 50 pages, 25 sheets of paper, and the average of the remaining page numbers is 19, determine the number of pages the roommate took away.

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