sjazzbronjonez sjazzbronjonez
  • 20-10-2016
  • Mathematics
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Solve the equation using mental math15-x=9

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Ajgirl02
Ajgirl02 Ajgirl02
  • 20-10-2016
In your head....9-15= -6...then (in your head) you would divide both sides by a negative to get x alone. So x=6.. (In your head).
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