
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 Tyrone had $150$ marbles and Eric had $30$ marbles. Tyrone then gave some of his marbles to Eric so that Tyrone ended with three times as many marbles as Eric. Determine the number of marbles Tyrone gave to Eric.

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