Question

Como resolve essa equação log (× -2) + log 3 - log 5 = log 7.

Answer 1

Ola Lucas

log(x - 2) + log(3) - log(5) = log(7) 

log(x - 2) = log(7) + log(5) - log(3)

log(x - 2) = log(7*5/3) = log(35/3) 

x - 2 = 35/3

x = 35/3 + 6/3 = 41/3