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Resmawan-Aljabar-Linear-Elementer-Sistem-Persamaan-Linear

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1.4 Sistem Persamaan Linear

1.4.4 Operasi Baris Elementer

1. Sistem Persamaan Linear 1.4 Sistem Persamaan Linear

Solution

Tambahkan -3 kali persamaan kedua ke persamaan ketiga, diperoleh

x + y + 2z = 9

y − 7 2 z = −17 2

− 1 2 z = −3 2

Kalikan −2 pada persamaan ketiga, diperoleh

x + y + 2z = 9

y − 7 2 z = −17 2

z = 3

Resmawan (Math UNG) Sistem Persamaan Linear Agustus 2017 22 / 69

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