Question

4^x-1=1/2 Решите пожалуйста пример

Answer 1

${4}^{x - 1 }= \frac{1}{2}$
${2}^{2(x - 1)} = {2}^{ - 1}$


$2(x - 1) = - 1$
$2x - 2 = - 1$
$2x = 1$
$x = \frac{1}{2}$