
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
Given the sales volume of a certain brand of new energy vehicles was $200,000$ units in $2020$, and the sales volume increased by $31.2$ thousand units from $2020$ to $2022$, derive the equation for the average annual growth rate $x$ of the sales volume of this brand of new energy vehicles from $2020$ to $2022$.

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