#1
hey pit time for one of my usual maths problems

20*2^(2x+1)=500

can someone help me with this please
oh and this one

logA=5logB-2.602

(for this one I have to take out all the logs)

thanks in advance guys.
"Like a midget at a urinal, I was going to have to stay on my toes"

"Like a blind man at an orgy, I was going to have to feel my way through"

#3
Logs belong in the toilet.
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#4
20*2^(2x+1)=500

2^(2x+1) = 25

2^(2x+1) = 2^(log25/log2)

2x+1 = log25/log2

x= 0,5 (log25/log2) + 0,5

or something like that, I might try the other one later
And what is more, there's been a bloody purple nose and some bloody purple clothes that were messing up the lobby floor. It's just apartment house rules so all you 'partment fools remember : one man's ceiling is another man's floor.