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-3x - 5y = 4 [×2]
⇔ Menentukan Nilai Y: [Eliminasi Kedua Persamaan]
6x + 12y = -24
-6x - 10y = 8
2y = -16
y = -8
≡ Menentukan Nilai x: [Substitusi Nilai y]
⇒ 2x + 4y = -8
⇒ 2x + 4(-8) = -8
⇒ 2x - 32 = -8
⇒ 2x = -8 + 32
⇒ 2x = 24
⇒ x = 12
∴ HP → {x, y} → {12, -8}