SOLUTION: {{{2^n=12+4n}}}

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: {{{2^n=12+4n}}}      Log On


   

Question 923168: 2%5En=12%2B4n
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Graph both sides of the equation and look for the intersection.
graph%28300%2C300%2C-4%2C6%2C-5%2C45%2C2%5Ex%2C12%2B4x%29
There are two solutions.
One is an integer solution, by inspection, n=5.
The other requires numerical methods to solve and is approximately n=-2.97