SOLUTION: Trying to help my son with a part of math that I wasn't very good with would apreciate the help. Q:What whole numbers can k and m be in the expression 30-(k+m) has a value of 25

Algebra ->  Equations -> SOLUTION: Trying to help my son with a part of math that I wasn't very good with would apreciate the help. Q:What whole numbers can k and m be in the expression 30-(k+m) has a value of 25      Log On


   



Question 11765: Trying to help my son with a part of math that I wasn't very good with would apreciate the help.
Q:What whole numbers can k and m be in the expression 30-(k+m) has a value of 25.
Can you please show us the proper solution.

Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
You can start with the equation:
30+-+%28k+%2B+m%29+=+25 Add (k + m) to both sides.
30+=+25+%2B+%28k+%2B+m%29 Now subtract 25 from both sides.
5+=+%28k+%2B+m%29
What are the possiblities for k and m?
k = 0 & m = 5 or
k = 1 & m = 4 or
k = 2 & m = 3 or
k = 3 & m = 2 or
k = 4 & m = 1 or
k = 5 & m = 0