
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
Three boys have a collection of marbles. The number of marbles each boy has can be represented by $4x+2$, $3x-1$, and $5x+3$. The total number of marbles is 128. Find the number of marbles the second boy has.

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