Respuesta :
Answer:
21 is the answer
Step-by-step explanation:
The modulus ar absolute symbol...the two straight lines does not take into consideration the positive or negative signs and the answer always remains positive with the same numbers like in this case it is 21.
Answer:
The answer would be 21!
every time you would see this | | sign on a negative number , it is called the absolute value, when you see it you automatically change the negative number to a positive number.
~hope this helps~
-Would highly appreciate it if you would give me the brainliest~ :)