Solve: 7-4 (x-1) = 20 Step 1: 7-4x + 1 = 20
Step 2: 8-4x = 20.
Step 3: (-1/4) - 4x = 12 (-1/4)
Step 4: x=-3
Which is the First incorrect step in the solution shown above
A. Step 3
B. Step 4
C. Step 1
D. Step 2
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