
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
The freight for each beam is 3 wen, and if there is no money, it is equivalent to one beam. Now someone asks to buy a batch of beams, the total selling price of this batch of beams is 6210 wen. If the freight for each beam is 3 wen, then after taking one less beam, the remaining beams' freight is exactly equal to the price of one beam. If the number of beams purchased with 6210 wen is x, then the equation that satisfies the problem is $\frac{6210}{x-1}=3x$.

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