Question
Use a number line to evaluate the following:
(-3) + (-4)
(-3) + (-4)
✓
Answer
$
(-3)+(-4)
$
for -3 , start from zero and move 3 units to the left and then again for -4 , move 4 units to left of -3 .
$
\therefore(-3)+(-4)=-7 \text {. }
$
(-3)+(-4)
$
for -3 , start from zero and move 3 units to the left and then again for -4 , move 4 units to left of -3 .
$
\therefore(-3)+(-4)=-7 \text {. }
$
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