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anonymous

  • 5 years ago

what are the rules for adding and subtracting negative numbers

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  1. anonymous
    • 5 years ago
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    Adding a negative number is like subtracting that number. Subtracting a negative number is like adding it: \[ 5+-5 = 5-5 5-(-5) = 5+5 \]

  2. anonymous
    • 5 years ago
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    ^

  3. anonymous
    • 5 years ago
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    \[ \begin{align*} 5+(-5) &= 5-5\\ 5-(-5) &= 5+5 \end{align*} \]

  4. myininaya
    • 5 years ago
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    (-)+(-)=- and (+)+(-)=You need to subtract and take the sign of the bigger number

  5. myininaya
    • 5 years ago
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    Subtraction is basically addition (-)-(+)=(-)+(-)

  6. myininaya
    • 5 years ago
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    (-)-(-)=(-)+(+)

  7. amistre64
    • 5 years ago
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    always add numbers... subtracting is just "adding a negative" 5-2 is the same as: 5 + (-2) = 3 Also, one point is this: If you have a problem like: 7-(-3); just take the 2 negatives and make a (+) out of them: 7 -(-3) = 7 -- 3 = 7+3 = 10 If that helps any

  8. myininaya
    • 5 years ago
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    The sign in the parenthesis just symbolizes what kind of number we have whether it is positve or negative

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