
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 2023, a unit in Linyi County responded to the national call for "practicing thrift and opposing waste" by reducing its office expenses from $2500$ yuan per month to $1600$ yuan within two months. If the average monthly reduction rate of expenses is $x$ percent, then the equation based on the question can be written as ______.

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