svalencia61 svalencia61

26-07-2014
Mathematics

Answered

The sum of two numbers is 40, and their difference is 8. Find the numbers.

Answer :

konrad509 konrad509

26-07-2014

[tex]x+y=40\\ x-y=8\\ -----\\ 2x=48\\ x=24\\\\ 24+y=40\\ y=16[/tex]

Answer Link

26-07-2014

a - b = 8
+ a + b = 40
2a = 48
a = 24

a - b = 8
24 - b = 8
b = 16

Answer Link

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