pre algebra

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how do i figure out how to write a number setence for the product on the number line
-10 -8 -6 -4 -2 0 2

  • pre algebra -

    A positive two is added to each number.

  • pre algebra -

    how do you simplyfy -9+-9+-9+-9

  • pre algebra -

    9 + 9 = 18

    -9 + -9 = -18

    18 - 18 = 0

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