**Question 1**:

Evaluate 5 + (–7)

*Therefore,*

**Solution**:5 + (–7) = 5 – 7

= –2

**Question 2**:

Evaluate –6 – (–5)

**Solution**:Therefore,

–6 – (–5) = –6 + 5

= –1

**Question 3**:

Simplify –3 + 7 + (–2)

*Therefore,*

**Solution**:–3 + 7 + (–2) = 4 + (–2)

= 4 – 2

= 2

**Question 4**:

Simplify 5 + (–4) + (–3)

**Solution**:Therefore,

5 + (–4) + (–3)

= 5 – 4 – 3

= –2