Question
Use a number line to evaluate the following:
(-7) – (+5)
(-7) – (+5)
✓
Answer
$
(-7)-(+5)
$
Marking -7 and +5 , from +5 position count steps towards the left to -7 , there are 12 steps
$\therefore(-7)-(+5)=-12$.
(-7)-(+5)
$
Marking -7 and +5 , from +5 position count steps towards the left to -7 , there are 12 steps
$\therefore(-7)-(+5)=-12$.
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