bryantmartinezKobe bryantmartinezKobe
  • 23-08-2017
  • Mathematics
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Explain why the expression seven times 3X is not equal to the expression 21X

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Mooniee
Mooniee Mooniee
  • 23-08-2017
Since they both don't have the X, you can not multiply them together. For you to do that, they both have to have the same variable.
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