Question

Se log (2x -5) = 0, calcule o valor de x : a)x= 3 b)x= -3 c) x= 2 d) x= 5/2 e) x= 1

Answer 1

$log(2x - 5) = 0$

${10}^{0} = 2x - 5$

$2x - 5 = 1$

$2x = 6$

$x = 3$