# operations with Negative Numbers

**Tutor description**

It is easy to compute 6 - 4 = 2 and 14 - 5 = 9 , because the answers are positive. But how would one compute 4 - 6 ? On the number line, moving to the left is equivalent to subtracting from a number, and moving to the right is equivalent to adding to a nu mber. To see what 4 - 6 is equal to, start on the number line at the place marked "4" and count 6 spaces to the left:

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