SOLUTION: The sum of two numbers is 98. The difference of the same two numbers is 40. What are the two numbers? Thanks!

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Question 585619: The sum of two numbers is 98. The difference of the same two numbers is 40. What are the two numbers? Thanks!
Answer by mananth(16949) About Me  (Show Source):
You can put this solution on YOUR website!
let one number be x
the number be y
x+y = 98
x-y=40
add the two equations
2x=138
/2
x=69
first number 69
other number 98-69= 29