sfmartori
05.03.2021 •
Mathematics
The difference of two number is 3.Their sum is 13.Find the numbers
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Ответ:
8,5
Step-by-step explanation:
x-y=3
x+y=13
2x=16
x=8, y=5
Ответ:
8 and 5
Step-by-step explanation:
x - y = 3
x + y = 13
(add the two equations)
2x = 16
x = 8
8 + y = 13 (substitute x as 8 into one of the equations)
y = 5
Ответ:
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