Pearson Algebra 1 Common Core, 2011
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Pearson Algebra 1 Common Core, 2011 View details
Chapter Review
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Exercise 64 Page 71

Subtracting a negative number is the same as adding a positive number.

3

Practice makes perfect

For this exercise, recall that subtracting a negative number is the same as adding a positive number. Moreover, adding a negative number is the same as subtracting a positive one.

-9-(-12)
-9+12
12+(- 9)
12-9
3