
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 curve $C$: $\begin{cases} x=2\cos \phi \ y=3\sin \phi \end{cases}(\phi$ is the parameter$)$．
(1) Convert the equation of curve $C$ into a general form;
(2) If point $P(x,y)$ is a moving point on curve $C$, find the range of values for $2x+y$.

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