
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
After scooping out a cup of water from 10 kilograms of water and then pouring in an equal weight of pure alcohol (keeping the total amount of water and alcohol at 10 kilograms), the concentration of alcohol becomes 75%. How many kilograms of water were scooped out?

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