$@Shin$
$\text{Bạn tham khảo !! }$
$\text{a, }$$\text{2.x =16}$
$\text{x = 16 : 2}$
$\text{x = 8}$
$\text{b,}$$\text{2x . 16 = 1024}$
$\text{2x = 64}$
$\text{x = 32}$
$\text{c, 64 . 4x = 16.8}$
$\text{64 . 4x = 128}$
$\text{4x = 2}$
$\text{x = $\frac{1}{2}$}$