Let the numbers be x and y x+y=55 and x-y=21 Now since x-y=21 x=21+y. Plug that into the first equation. 21+y+y=55 or 21+2y=55 so 2y=55-21=34 and y =17 Now since 17+x=55, we immediately see that x=38.
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6 & 4
29 and 36
37 and 21
Find the 2 numbers whose difference is two and whose sum is 480.
1 and 0 are the two whole numbers with their sum same as their difference