
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
Fifteen students are enrolled in both chemistry and physics courses. There are 30 students taking chemistry. There are 12 students who are enrolled only in physics. How many students are taking chemistry or physics but not both?

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