SOLUTION: two numbers have a sum of 13. if one number is y, express the other number in terms of y

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Question 406569: two numbers have a sum of 13. if one number is y, express the other number in terms of y
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
If the other number is z, then

y + z = 13

z = 13 - y.