How do you solve $log (9x + 7) = 3$ ?

Question

1322 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2016-04-08T12:42:03

$x = 331/3$ .

$log(8x+7)=3.$
$10^(log_(10)(9x+7))=10^3$

$10^(log_10(a))=a$

So, 9x+7 = 1000.

x = 993/9=331/3#..,

How do you solve log (9x + 7) = 3log (9x + 7) = 3?