Bạn dùng sai ngoặc rồi nhé :( mình sửa rồi :D
\(3+2^{x-1}=24-\left(4^2-\left[2^2-1\right]\right)\)
\(=>3+2^{x-1}=24-\left(16-\left[4-1\right]\right)\)
\(=>3+2^{x-1}=24-\left(16-3\right)\)
\(=>3+2^{x-1}=24-13=11\)
\(=>2^{x-1}=11-3=8\)
\(=>2^{x-1}=2^3\)
\(=>x-1=3\)
\(=>x=3+1=4\)