
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 that points $A$, $B$, and $C$ are collinear, and $O$ is a point outside this line such that $m \overrightarrow{OA} - 2 \overrightarrow{OB} + \overrightarrow{OC} = \overrightarrow{0}$, if $\overrightarrow{BA} = λ \overrightarrow{AC}$, calculate the value of $λ$.

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