gloria18 gloria18

29-10-2016
Mathematics

contestada

the sum of two numbers is 15 the difference of these same numbers is 7 what is the answer the sum of two numbers is 15 the difference of these same numbers is 7 what is the answer

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finwhelan finwhelan

31-10-2016

x + (x +7) = 15
2x +7 = 15
2x = 8
x = 4
ANSWER = 4, 11

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