Question

me ajudem ai porfavor ​

Answer 1

log(x+3) - log(x+1) = 1

log (x+3)/(x+1) = log 10

(x+3)/(x+1) = 10

10(x+1) = (x+3)

10x+10 = x+3

10x -x = 3 -10

9x = -7

x = -7/9 ==> e)