math20161 math20161
  • 26-09-2016
  • Mathematics
contestada

multiply a number by 3 subtract 6 add 2 result is 20 what is the number

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Аноним Аноним
  • 26-09-2016
8 is the correct answer 
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wolfnat000
wolfnat000 wolfnat000
  • 26-09-2016
x * 3 - 6 +2 = 20
x * 3 - 6 = 20 -2
x* 3 - 6 = 18
x* 3 = 18 + 6
x * 3 = 24
x = 24/3

x=8
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