Question

1. (-5) + {(-9) ÷ (-3)} · (-3) - (-4) - 2

Explanation:

Step1: Solve innermost parentheses

$\frac{-9}{-3} = 3$

Step2: Add inside square brackets

$-5 + 3 = -2$

Step3: Multiply by -3

$-2 \times (-3) = 6$

Step4: Simplify sign changes

$6 + 4 - 2$

Step5: Calculate final sum

$6 + 4 = 10; 10 - 2 = 8$

Answer:

8