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Mathematics, 21.06.2019 21:00
X+y=-4 x-y=2 use elimination with adding and subtraction
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Mathematics, 22.06.2019 01:30
Problem number 26 of the rhind papyrus says: find a quantity such that when it is added to of itself the result is a 15. the modern day equation that models this problem is x + x = 15. what is the solution to the equation? x = 10 x = 12 x = 15 x = 30
Answers: 1
15 is 0.2% of what number? Please answer!...
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