September 2018 1 87 Report
Selesaikan sistem persamaan linear dua variabel berikut menggunakan metode eliminasi.
1. x+y=8; x-y = 2
2.3x+2y=12; 3x-y = 3
3.3x+6y=9; 2x+3y = 4
4.2x+6y-18=0; 5x+6y-45 = 0
5.7/4 x+y=1/4; 5/4 x+1/2 y = - 1/4
6. 1/4 x-1/2 y = 0;1/3 x+1/3 y-2 = 0
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