
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
Point $C$ is on line segment $AB$, and $\frac{AC}{CB} = \frac{5}{2}$. If $\overrightarrow{AC} = λ \overrightarrow{AB}$ and $\overrightarrow{BC} = μ \overrightarrow{AB}$, find the value of $λ + μ$.

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