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18-05-2018
Mathematics

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The sum of two numbers is 23. When the second number is subtracted from the first number, the difference is 15. Find the two numbers. What are the two numbers?

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19-05-2018

first number=x, second number=y
y-x=15
y=15+x
y+x=23
15+x+x=23
15+2x=23
2x=8
x=4
the numbers are 4 and 19

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