
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
In Mrs. Lee's math class, there are 18 boys and 25 students bring their own pencils. If 15 of the students who brought pencils are girls, then how many boys didn't bring their pencils to class, assuming the class consists of 30 students?

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