How can I found the value of 'x' such that I should get the known value 'y' in below equation ?

y=(x^7)-(x^5)-5*x-250

Answer 1

[CARLOS RIASCOS]

I recommend you look at this: https://es.mathworks.com/help/symbolic/solve.html. teaches you how you can with symbolic mathematics solve equations based on one or several variables.