chrisdebaun12p3ei6l chrisdebaun12p3ei6l
  • 31-01-2018
  • Mathematics
contestada

find the value of two numbers if their sum is 18 and their difference is 2

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dlrow11
dlrow11 dlrow11
  • 31-01-2018
8 and 10 are the two values
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kitapla kitapla
  • 31-01-2018
Let X be the first and second number.
    X+X = 18
+  X-X = 2
      2X = 20 (divide both sides by 2
      X   = 10
Substitute the values to get the second number
   10+X = 18
         X = 18 -10
         X = 8
Therefore, the numbers are 10 and 8

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