Question
Use number line and add the integers: $(-1) + (-7).$
✓
Answer
On the number line we first move $1$ step to the left of $0$ reaching $-1,$ then we move $7$ steps to the left of $-1$ and reach $-8.$
Thus, $(-1) + (-7) = -8.$
Thus, $(-1) + (-7) = -8.$
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