5 6x 1 2 7 8 July 8, 2019 16 32 64 128 5 8x 1 2 7 6x 3x 5 2 6x 1 3 8x 7 5 6x-1=-1+6x 5) 1 5x -2=4 6) 7 - 6x = - 5