September 2018 2 31 Report
Cara substitusi :
1. -y + 6x = 1
3x + y = 18
2. y = 2x - 2
4x + 2y = 5
3. x + 2y = 4
-x + 3y = 1
cara eliminasi
8x + 3y = 40
-8x + 5y = 16
tolong sama cara mengerjakannya yahh ???

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