Step 1: 4x + 5 < 6x + 1 (Given)

Step 2: −2x + 5 < 1 (Subtraction)
Step 3: −2x < 6 (Addition)
Step 4: x > −3 (Division)
Mia is trying to find her mistake in the problem shown. In which step did she first make a mistake?
A Step 1
B Step 2
C Step 3
D Step 4