Question

Calcule o valor de x, tal que log (x-2) = log (2x+1).. qual o cálculo?

Answer 1

Se

$log(a)=log(b)\implies a=b$

Então:

$log(x-2) = log(2x+1)\implies x-2=2x+1\\\\2x-x=-2-1\\\\\boxed{x=-3}$