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Math Help - Inverse Operations

  1. #1
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    Inverse Operations

    Hey...I need help with Inverse Operations.
    Complete each equation with the missing operation.
    samples:
    a + 4 ? 4 = a

    z - 7 ? 7 = z

    2b ? 2 = b

    -15b ? (-15) = b


    thank you :]
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  2. #2
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    Quote Originally Posted by rick99 View Post
    Hey...I need help with Inverse Operations.
    Complete each equation with the missing operation.
    samples:
    a + 4 ? 4 = a what is the inverse operation to addition?

    z - 7 ? 7 = z what is the inverse operation to subtraction?


    2b ? 2 = b what is the inverse operation to multiplication?


    -15b ? (-15) = b what is the inverse operation to multiplication?
    .
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  3. #3
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    I don't get it =/
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  4. #4
    A riddle wrapped in an enigma
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    Quote Originally Posted by rick99 View Post
    Hey...I need help with Inverse Operations.
    Complete each equation with the missing operation.
    samples:
    a + 4 ? 4 = a <======= a + 4 - 4 = a (additive inverse)

    z - 7 ? 7 = z <======= z - 7 + 7 = z (additive inverse)

    2b ? 2 = b <======= 2b times 1/2 = b (multiplicative inverse)

    -15b ? (-15) = b <===== -15b times -1/15 = b (multiplicative inverse)


    thank you :]
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