
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
Let $y = 3x$ and $z = 4y$. Determine the value of $x + y + z$ in terms of $x$.
A) 10x  
B) 12x  
C) 15x  
D) 16x  
E) 18x

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