Question
Using a number line, evaluate:
(-3) + (+7)
(-3) + (+7)
✓
Answer
$
(-3)+(+7)
$
First of all, we move for (-3) 3 unit to the left of zero and then for (+7), we move 7 units to the right of $(-3)$ reaching +4 Then $(-3)+(+7)=+4$
(-3)+(+7)
$
First of all, we move for (-3) 3 unit to the left of zero and then for (+7), we move 7 units to the right of $(-3)$ reaching +4 Then $(-3)+(+7)=+4$
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