Answer:
[tex]x (z) +2y/z[/tex]
hey I'm not sure but take a look on it ≧∇≦≧∇≦≧∇≦≧∇≦ฅ(๑*▽*๑)ฅ!!ฅ(๑*▽*๑)ฅ!!ฅ(๑*▽*๑)ฅ!!(´ε｀ )♡(ﾉ*>∀<)ﾉ♡(ﾉ*>∀<)ﾉ♡☜☆☞(┛❍ᴥ❍)┛彡┻━┻~♥~
