- 8 4 - 7 5x = 12 5x 11 6 July 8, 2019 16 32 64 128 - 8 4 - 7 5x = 12 5x + 11 6 5 x 7 = 35 (- 5 7 - 12 8) + x =40 5 12 7-4 5x=8 29
