Which line shows the first error in the solution?
6x + 4 = 3x - 8 (1)
6x - 3x + 4x = 3x - 3x - 8 (2)
3x + 4 = - 8 (3)
3x + 4 - 4 = - 8 - 4 (4)
3x = - 4 (5)
3x/3 = - 4/3 (6)
x = - 4/3 (7)
A. line 3
B. line 4
C. line 5
D. line 6
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