Question

ayuda con logaritmos porfa

Answer 1

Ejercicio 2(a)

Log x - log (22-x) = 1

Log (x /22-x) = 1

Log ( x/22-x) = Log 10

x / 22-x = 10

x = 10(22-x)

x = 220-10x

11x = 220

x = 20

Respuesta x = 20