\(3x\left[8^2-2\left(2^5-1\right)\right]=2022\\ \Rightarrow3x\left[64-2\left(32-1\right)\right]=2022\\ \Rightarrow3x\left(64-2\cdot31\right)=2022\\ \Rightarrow3x\left(64-62\right)=2022\\ \Rightarrow3x\cdot2=2022\\ \Rightarrow3x=2022:2\\ \Rightarrow3x=1011\\ \Rightarrow x=\dfrac{1011}{3}=337\)

cháy đấy c=)))

`-3=-3/1`

`0,5=1/2`

`2 3/7= 17/7`

`2/3 - [(-7/4) - (1/2 + 3/8)]`

`=2/3 -  [(-7/4) - ( 4/8+3/8)]`

`=2/3 - (-7/4 - 7/8)`

`= 2/3    - ( -14/8 - 7/8)`

`= 2/3 - (-21/8)`

`= 2/3 + 21/8`

`=79/24`