Question

2*log(y+5)=log 20-log 5

Answer 1

Answer:

$y = - 3$

Step-by-step explanation:

$\frac{2 log_{10}(y + 5) }{2} = \frac{ log_{10}(20) }{2} - \frac{ log_{10}(5) }{2}$

$log_{10}(y + 5) = \frac{ log_{10}(20) }{2} - \frac{ log_{10}(5) }{2}$

$y + 5 = 2 \\ y = - 3$