
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/>$(1)-2+3-4+5$;<br/>$(2)(-\frac{4}{7})÷\frac{8}{49}$;<br/>$(3)(\frac{1}{2}-\frac{3}{5}+\frac{2}{3})×(-15)$.

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