
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 first, then evaluate:  
1. $6x-5y+3y-2x$, where $x=-2$, $y=-3$.  
2. $\dfrac {1}{4}(-4a^{2}+2a-8)-\left( \dfrac {1}{2}a-2\right)$, where $a=- \dfrac {1}{2}$.

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