cosmiclastname cosmiclastname 29-09-2017 Mathematics contestada Which line shows the first error in the solution? 4x + 8=2x - 10 (1) 4x - 2x+8 = 2x - 2x - 10 (2) 2x + 8 = - 10 (3) 2x + 8 - 8 = - 10 - 8 (4) 6 x = - 2 (5) 6x/6 = -2/6 (6) x= -1/3 (7) A. Line 2 B. Line 3 C. Line 4 D. Line 5