Question

\(2^{4-2x}=16^4\)

Answer 1

\(\Rightarrow2^{4-2x}=2^{16}\\ \Rightarrow4-2x=16\\ \Rightarrow2x=-12\\ \Rightarrow x=-6\)

Answer 2

\(2^{4-2x}=16^4\)

\(\Rightarrow2^{4-2x}=\left(2^4\right)^4\)

\(\Rightarrow2^{4-2x}=2^{16}\)

\(\Rightarrow4-2x=16\)

\(\Rightarrow-2x=12\)

\(\Rightarrow x=-6\)

Vậy: \(x=-6\)

Answer 3

2^{4 - 2x} = 16⁴

2^{4 - 2x} = (2⁴)⁴

2^{4 - 2x} = 2¹⁶

\(\Rightarrow\) 4 - 2x = 16

2x = 16 + 4

2x = 20

x = 20 : 2

x = 10