
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 $$\overrightarrow {a}=(6,2)$$, $$\overrightarrow {b}=(-4,\frac {1}{2})$$, and a line $l$ passes through point A(3,-1) and is perpendicular to the vector $$\overrightarrow {a}+2\overrightarrow {b}$$, the general equation of line $l$ is \_\_\_\_\_\_.

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