XxREALxX23 XxREALxX23 12-05-2016 Mathematics contestada Which line shows the first error in the solution? (1). 4x+8=2x-10 (2). 4x-2x+8=2x-2x-10 (3). 2x+8=-10 (4). 2x+8-8=-10-8 (5). 6x=-2 (6). 6x/6=-2/6 (7). x=-1/3