SOLUTION: Can't solve this one 5^-5x+3 = 11 Find X

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Question 163813: Can't solve this one
5^-5x+3 = 11
Find X
Answer by jojo14344(1513) About Me  (Show Source):
You can put this solution on YOUR website!
5%5E%28-5x%29%2B3+=+11, working eqn
5%5E%28-5x%29=11-3=8
log5%5E%28-5x%29=log8
-5xlog5=log8
-5x=log8%2Flog5
-5x=1.29203
cross%28-5%29x%2Fcross%28-5%29=1.29203%2F-5
x=-0.2584
Check go back working eqn,
5%5E%28-5%2A-0.2584%29%2B3=11
5%5E1.29203%2B3=11
8%2B3=11
11=11
thank you,
Jojo