Friday

October 9, 2015
Posted by **mazuba** on Friday, March 23, 2012 at 2:59am.

- maths -
**Reiny**, Friday, March 23, 2012 at 10:19amI think you meant

(1/8)^(12x) =2^(x+3)

(2^-3)^(12x) = 2^(x+3)

2^(-36x) = 2^(x+3)

then

-36x = x+3

-37x = 3

x = -3/37