SOLUTION: the sum of two numbers is 140 and their difference is 16. find the numbers

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Question 414889: the sum of two numbers is 140 and their difference is 16. find the numbers
Answer by praseenakos@yahoo.com(507) About Me  (Show Source):
You can put this solution on YOUR website!
let x and y be the numbers...
x+ y = 140
x- y = 16
add these equations vertically (method of elimination)

2x = 156
+2x%2F2++=+156%2F2
==> +x+=+78
so one number is 78
so the other number is 140 - 78 = 62