Question
Using a number line, evaluate:
(-7) – (-2)
(-7) – (-2)
✓
Answer
$
(-7)-(-2)
$
Mark the points $(-7)$ and $(-2)$ on the same number line, we see that $(-2)$ is 5 units on the left
$
(-2)-7-(-2)=-7+2=-5
$
(-7)-(-2)
$
Mark the points $(-7)$ and $(-2)$ on the same number line, we see that $(-2)$ is 5 units on the left
$
(-2)-7-(-2)=-7+2=-5
$
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