Answer:
Only 2-3 actors were allowed on the stage at one time, and masks permitted quick transitions from one character to another. There were only male actors, but masks allowed them to play female characters.
Step-by-step explanation:

For

the value of

is negative, and for

the value is positive which means between

and

there is an x for which the value of

is equal to 0 and therefore there is a solution.
5n+10-8=2n
5n+2=2n
-3n=2
n=-2/3