SOLUTION: solve for x: 4^2x=21

Algebra ->  Square-cubic-other-roots -> SOLUTION: solve for x: 4^2x=21      Log On


   



Question 950243: solve for x: 4^2x=21
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
solve for x: 4^2x=21
----
16x = 21
x = 21/16