fyosan9apo1ny
fyosan9apo1ny fyosan9apo1ny
  • 26-09-2016
  • Mathematics
contestada

the sum of two numbers is 10, if one number is subtracted from the other, the result is -2. find the numbers

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caylus
caylus caylus
  • 27-09-2016
Hello,

Let's a the number that is substracted, b the other

a+b=10
a-b=-2
==>2a=8==>a=4 and b=10-4=6

Proof: 4-6=-1 and 4+9=10
The 2 numbers are 4 and 6.
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