Question

What is the value of x in:
`log_(2)(x) - 3 = 1`a) 2²b) 2³c) 2⁴d) 2¹

Answer 1

`\log _2(x)-3=1`

Add 3 to both sides:

`\begin{gathered} \log _2(x)-3+3=1+3 \\ \log _2(x)=4 \\ 2^(\log _2(x))=2^4 \\ x=2^4 \end{gathered}`