
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 the plane vectors $\overrightarrow{a}=(1,2)$, $\overrightarrow{b}=(4,2)$, and $\overrightarrow{c}=m \overrightarrow{a}+ \overrightarrow{b}$ ($m\in\mathbb{R}$), and the angle between $\overrightarrow{c}$ and $\overrightarrow{a}$ is equal to the angle between $\overrightarrow{c}$ and $\overrightarrow{b}$, solve for $m$.

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