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Find two numbers whose sum is 55 and whose difference is 21?

Updated: 4/28/2022

Wiki User

∙ 15y ago

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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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∙ 15y ago

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