May 2019 2 21 Report
1. tentukan x,y dan z dari sistem persamaan x+y+z=75 , x-y-z=5 dan x-4y+z=0
2. selesaikan sistem persamaan x+y+z=12 , 2x-y+2z=12 dan x-y+2y=1
3. tentukan nilai x+y+z dari sistem persamaan x-2y+z=0 , x+y+z=3 dan x-y+2y=1

tolong ya kak bantu , besok di kumpulkan

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