Pearson Algebra 1 Common Core, 2011
PA
Pearson Algebra 1 Common Core, 2011 View details
Get Ready
Continue to next subchapter

Exercise 3 Page 77

Adding a negative number is the same as subtracting a positive number.

3

Practice makes perfect
Let's perform the addition.
6+(-3)
6-3
3

We can see that adding a negative number is the same as subtract its positive counterpart. Below we will demonstrate by finding 6 and moving 3 units to the left on the number line.

The resulting position, after moving to the left on the number line, is the sum. 6+(-3)=3