Explanation

Step 1: Identify the pattern

Observing the alternating pattern:

• 8 → 6 (-2)
• 6 → 7 (+1)
• 7 → 5 (-2)
• 5 → 6 (+1)
• 6 → 4 (-2)

Step 2: Find the next term

• The pattern alternates between -2 and +1.
• Since the last operation was -2, the next operation should be +1.
• 4 + 1 = 5