98+a=425 Subtract 98 from both sides; 98-98 + a= 425-98 a=327
M-708=292 Add 708 to both sides; M-708+708= 292+708 M=1000
Just do inverse operation, where if you have a subtraction sign in front of a number, you add that same number to it, vice versa for addition. just make sure to do the same to the number on the other side of the equal sign though.
The team can look at who has been there the longest to pick the captian, and then the assistants can be two people who the captian would best work with. Also look for loyalty and integridy, honestly and good traits that have been shown.
