Posted by **emily** on Thursday, October 13, 2011 at 7:25pm.

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 -
**Ms. Sue**, Thursday, October 13, 2011 at 7:28pm
A positive two is added to each number.

- pre algebra -
**emily**, Thursday, October 13, 2011 at 7:52pm
how do you simplyfy -9+-9+-9+-9

- pre algebra -
**Ms. Sue**, Thursday, October 13, 2011 at 8:15pm
9 + 9 = 18

-9 + -9 = -18

18 - 18 = 0

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