Question 950352

2^(x-1)=8
<pre>{{{2^(x - 1) = 8}}}
{{{2^(x - 1) = 2^3}}} ------ Converting 8 to {{{2^3}}}
x - 1 = 3 ------- Bases are equal, and so are their exponents
x = 3 + 1, or {{{highlight_green(x = 4)}}}