Question

3. Resolva as equações:
a) log (x + 5) - log 2 = log 6​

Answer 1

$\log(x+5)-\log2=\log6$

$\log(\frac{x+5}{2})=\log6$

$\frac{x+5}{2}=6$

$x+5=6.2$

$x+5=12$

$x=12-5$

$x=7$