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The sum of two numbers is 56, and their difference is 10. What are the numbers?
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divied 56 in half: 56/2 = 28 28 + 28 = 58
i forgot what to do from here oi...
Thanks For The Medal @undeadknight26
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:D it was hard lol
x + y = 56 --->x = -y + 56 x - y = 10 -y + 56 - y = 10 -2y + 56 = 10 -2y = 10 - 56 -2y = -46 y = -46/-2 y = 23 x + y = 56 x + 23 = 56 x = 56 - 23 x = 33 check.. x + y = 56 x - y = 10 33 + 23 = 56 33 - 23 = 10 56 = 56 (correct) 10 = 10 (correct) x = 33 and y = 23
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