
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 total distance to school for Xiao Wang, Xiao Ding, Xiao Chen, and Xiao Zhang is 705 meters. Xiao Wang's distance to school is 4 times Xiao Ding's distance. Xiao Chen's distance to school is half of Xiao Wang's distance plus 20 meters. Xiao Zhang's distance to school is twice Xiao Chen's distance minus 15 meters. How many meters does Xiao Ding live from the school?

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