Answer:
Option A, 12
Step-by-step explanation:
Step 1: Add 5 to both sides
-5 + w/3 + 5 = -1 + 5
w / 3 = 4
Step 2: Multiply both sides by 3
w/3 * 3 = 4 * 3
w = 12
Answer: Option A, 12
