September 2018 1 419 Report
Tentukan himpunan penyelesaian sistem
persamaan berikut dengan metode substitusi.

1. a. x + 4y - 6 = 0
2x - y 3 = 0
c. x - y - 2 = 0
x - 2y - 10 = 0

2. a. x - y = 5
2x + 5y = -4
c. x - 2y = 6
2x - y = 9

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