SOLUTION: {{{2^x=16*(4^x)}}} , solve for x.

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: {{{2^x=16*(4^x)}}} , solve for x.      Log On


   

Question 748186: 2%5Ex=16%2A%284%5Ex%29 , solve for x.
Found 2 solutions by kibauu, solver91311:
Answer by kibauu(44) About Me  (Show Source):
You can put this solution on YOUR website!
2%5Ex=16%2A%284%5Ex%29 = 2%5Ex=2%5E4%282%5E2x%29
2%5Ex=2%5E%284%2B2x%29
x=4+2x
x=-4

Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!




So



is equivalent to



Then



Therefore



John

Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it
The Out Campaign: Scarlet Letter of Atheism