
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
Let $2a + 3 = 2b + 4 = 2c + 5 = 2d + 6 = a + b + c + d + 10$. Find the value of $a + b + c + d$.
A) -4 
B) -10 
C) -11 
D) -19 
E) -20

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