\(\left(24-x\right)^3=64\)
\(\Rightarrow\left(24-x\right)^3=4^3\)
\(\Rightarrow24-x=4\)
\(\Rightarrow x=24-4\)
\(\Rightarrow x=20\)
\(\left(24-x\right)^3=64\)
\(\Rightarrow\left(24-x\right)^3=4^3\)
\(\Rightarrow24-x=4\)
\(\Rightarrow x=24-4\)
\(\Rightarrow x=20\)
Vậy: \(x=20\).