jake128 jake128

24-08-2017
Mathematics

contestada

What two numbers have a sum of 17 and a difference of 5

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coolstick coolstick

24-08-2017

Alright, let's make the numbers x and y.

x+y=17
x-y=5.

Add the two equations together, and we get 2x=22. Divide by 2 and get x=11. Since 11 (which is x)+y=17, we get that y=17-11=6.

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