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Putra Gema Nusa
Rockstar Teacher GURU SMA
•7 misalkan : -> berat badan shinaga = X berat badan galin =y modal > X = 2y + 10 is x + y = 115 Ditanya : x # X= 2yt10 # X+ y = 115 X + X-10 2 y = 2x+X-10 > 230 U 2y =X-10 y X-10 2 x xylo > 115 는 n 3x > 240 X Х > 80 kg Pahamify
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