I think your supposed to add them all together or divide
8 because it goes from 1s 10s 100s so 8 is the answer
I’m not to sure I was wondering the same thing
Answer: x=14
Explanation: the angle needs to equal the other angle, which is 63. To figure this out, we subtract 21 from 63. We get 42. 42 divided by 3 is 14. We are basically doing the equation in reverse.
is the question multiple choice? if not I'd go with absolute value