7 1 x )= 10 6 x 2 July 8, 2019 16 32 64 128 1 1 7 x 10 1 2 x 6 3 4 9 10 x 6 7 x 2 1 3 7 x 10 x 2 6 x 3 3x 1 Tính bằng hai cách 1 7 x 10 2 6 x 10 6 solve for x 1 4 7 10 x 287 7 x 10 (7x - 1)/6 = 10/3 1) x = 7 x 10