Math

Simplify the expression
3w-10w
A. 13w
B. -7w
C. -7
D. 7w
Is the answer D?

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  2. 👎 0
  3. 👁 712
asked by Gwen
  1. No.

    Watch the sign.

  2. So is the answer C?

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    2. 👎 0
    posted by Gwen
  3. No, what happened to the w?

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    posted by PsyDAG
  4. OK... So is the answer B?

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    posted by Gwen
  5. Yes. The answer is B.

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