
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
Calculate:<br/>$(1)-3+8-7-15$;<br/>$(2)23-6\times \left(-3\right)+2\times \left(-4\right)$;<br/>$(3)-8\div \frac{4}{5}×(-\frac{2}{3})$;<br/>$(4)-2^2-9×(-\frac{1}{3})^2+|-4|$.

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