emmawilken emmawilken
  • 31-07-2017
  • Mathematics
contestada

Twice a number decreased by 15 is equal to -27 . What is the number ?

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texaschic101
texaschic101 texaschic101
  • 31-07-2017
2x - 15 = -27
2x = -27 + 15
2x = - 12
x = -12/2
x = -6 <==
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