8 32 x 10 4 4x10 6 July 8, 2019 16 32 64 128 4 32 (-1 8) (8.4 x 106) รท (2.1 x 104) = 80 / x = 8 32 / x = 4 x / 8 = 8 x * 3 = 21 x + 29 = 80 x - 2 = 40