SOLUTION: I found problem online without a solution. Can you solve it? 2^(x) + x = 5.

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Question 1208128: I found problem online without a solution. Can you solve it?
2^(x) + x = 5.
Answer by Edwin McCravy(20054) About Me  (Show Source):
You can put this solution on YOUR website!

This very equation is explained and solved well on this video:

https://www.youtube.com/watch?v=mJwfpcXwYRU

It requires use of the product-log function, the Lambert-W function. 

x+=+5+-+W%2832%2Aln%282%29%29%2Fln%282%29 approximately 1.715620733

Edwin