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hannahemily Group Title

what are the rules when you add and subtract negitive and positive numbers?

  • 2 years ago
  • 2 years ago

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  1. amistre64 Group Title
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    ..... always add?

    • 2 years ago
  2. hannahemily Group Title
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    ?

    • 2 years ago
  3. amistre64 Group Title
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    subtraction is just "adding a negative"

    • 2 years ago
  4. amistre64 Group Title
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    like signs are always positive different signs go negative

    • 2 years ago
  5. hannahemily Group Title
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    ok but what if u subtract a negitive?

    • 2 years ago
  6. amistre64 Group Title
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    3--5 .... like signs are positive 3+5

    • 2 years ago
  7. hannahemily Group Title
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    ok umm -4 --7 would equal...

    • 2 years ago
  8. amistre64 Group Title
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    -4--7 -4+7 7-4 = ?

    • 2 years ago
  9. hannahemily Group Title
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    ??????????

    • 2 years ago
  10. amistre64 Group Title
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    yeah, that doesnt help me understand your confusion any.

    • 2 years ago
  11. amistre64 Group Title
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    do we have to start back with "what is a number" and go from there?

    • 2 years ago
  12. pottersheep Group Title
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    ++ becomes + -- becomes + +- becomes -

    • 2 years ago
  13. pottersheep Group Title
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    i.e. 1 - - 1 = 1 + 1 = 2 whereas 1 + - 1 = 1 - 1 = 0 1 ++ 1 = 1+1 =2

    • 2 years ago
  14. amistre64 Group Title
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    |dw:1317769616241:dw|

    • 2 years ago
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