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Paymahn Moghadasian · Answer 1 · 2022-12-23T14:32:28+0000

If you consider two numbers. as X and Y
the sum will be X+Y=35 and difference will be X-Y=15

Now lets sum up from both sides of equivalent sign (=)
You will have 2X=50 and X=25. If you plug in X in either equations, Y will become equal to 10.

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