Felix tried to solve an equation step by step.

2(5g-1)=3

Step 1: 5g-1= 1 .5
Step 2: 5g= 2.5
Step 3: g= 0.5

Find Felix's mistake

A. Step 1
B. Step 2
C. Step 3
D. There's no mistake

Please answer quickly! Will mark brainliest! <3