
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
Li Ling and her sister together saved 108 yuan in pocket money. The elder sister donated 75% of her money, and the younger sister donated 80% of her money to the "Hope Project," and the amounts of money they had left were exactly the same. Let x be the amount of money the elder sister originally had. Express the amount of money the younger sister originally had in terms of x, and set up an equation to find the value of x.

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