### Clue: Struggles with 5 + 8 + 7? I've left 'e' out, not even in order (6)
### Answer: FIGHTS 
 ### Explanation: Definition: Struggles
 "five eight seven"(5 + 8 + 7) **minus**(… left) "I've" **minus**(… out) "'e'" **minus**(not) "even**", in that order**.
Nicely done.