SOLUTION: Please help me solve this problem. I know the answer, I just don't know how to get it. {{{0.25^x-0.5=2}}}

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: Please help me solve this problem. I know the answer, I just don't know how to get it. {{{0.25^x-0.5=2}}}      Log On


   



Question 28544: Please help me solve this problem. I know the answer, I just don't know how to get it. 0.25%5Ex-0.5=2
Answer by longjonsilver(2297) About Me  (Show Source):
You can put this solution on YOUR website!
+0.25%5Ex+-+0.5+=+2+
+0.25%5Ex+=+2.5+
xlog(0.25) = log(2.5)
x = log(2.5)/log(0.25)
x = -0.660964 to 6dp.

jon.