Using the 1. menu option in the Step by Step Equation Solver app at www.tinspireapps.com :
Just enter the radical using the root() command.
To enter the 5th root of 2x-1 , type in root(2x-1,5) as shown below:
All steps are automatically shown until the
final answer is derived.
Alternatively, you may use the Radicals Made Easy app at https://www.tinspireapps.com/?a=RAME to solve Roots and Radicals step by step.