Answer :

SuperLegend
3 < -5n + 2n
Add 2n to -5n 
3<-3n
Divide -3 on both sides while flipping the inequaltiy sign.
Final Answer: -1>n
Photon
You have to solve it like that :

3 < -5n + 2n
3 < -3n
3/-3 < -3n/-3
1 > n

Hope this helps !

Photon

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