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borisperry49
borisperry49 borisperry49
  • 08-04-2014
  • Mathematics
Answered

What does -4x + 9x equals

Verified Answer :

MathG33k
MathG33k MathG33k
  • 08-04-2014

5x
just think of it as -4 + 9 because the variables are the same

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