robertv24 robertv24
  • 20-09-2016
  • Mathematics
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a first number plus twice a second is 2. Twice the first number plus the second totals 31. Find the numbers

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Shay1979
Shay1979 Shay1979
  • 20-09-2016
15 & 1, 2x 15 + 1 = 31
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