kate120 kate120
  • 20-02-2017
  • Mathematics
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How to do substitution

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hiimruma
hiimruma hiimruma
  • 20-02-2017
OK so for substitution you will be taking away so say you have 5 apples and someone eats 3 you now have 2 apples. so it would be 5 - 3 =2

I hope this helps
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