5 - 8 × 4) ÷ 9 = 8586 + (5 – 32) ÷ 9 = 8586 – 27 ÷ 9 = 8586 – 3 is not equal to 85Option 2 → ÷, -, ×, +, =86 ÷ (5 - 8 × 4) + 9 = 8586 ÷ (5 – 32) + 9 = 8586 ÷ (-27) + 9 is not equal to 85Option 3 → +, ×, ÷, -, =86 + (5 × 8 ÷ 4) - 9 = 8586 + (5 × 2) – 9 = 8586 + 10 – 9 = 8596 – 9 is not equal to 85Option 4 → -, ×, ÷, +, =86 - (5 × 8 ÷ 4) + 9 = 8586 – (5 × 2) + 9 = 8586 – 10 + 9 = 8595 – 10 = 8585 = 85Hence, option 4 is the correct answer.