Question

Qual o valor de x para que log (x+2)=3 ?

Answer 1

log (x + 2) = 3
log (x + 2) = 3
    ¹⁰
10³ = x + 2
1000 = x + 2
x + 2 = 1000
x = 1000 - 2
x = 998

Answer 2

log a = b => 10^b = a, logo:

log(x+2) = 3 => 10³ = x+2
1000 = x + 2
x = 1000 - 2
x = 998