ninaaforever
13.02.2020 •
Mathematics
The sum of two numbers is 5. The difference of the numbers is -15. Find both numbers.
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Ответ:
-5 , 10
Step-by-step explanation:
x be on number
The other number = 5 - x
x - ( 5- x) = -15
x - 5 + x = -15
2x = -15 + 5
2x = -10
x = -10/2
x = -5
One number = -5
The other number = 5 - x = 5 - (-5) = 5 + 5 = 10
Ответ:
Hope it helps.