
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
Simplify the following expressions:<br/>$(1)\left(2a-b\right)-\left(2b-3a\right)-2\left(a-2b\right)$;<br/>$(2)(4x^{2}-5xy)-(\frac{1}{3}y^{2}+2x^{2})+2(3xy-\frac{1}{4}y^{2}-\frac{1}{12}y^{2})$.

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