Metode Gauss

v  SPL dengan metode Gauss

2x1 + 4x2 + 3x3 = 16

3x1 + 5x2 + 2x3 = 12

4x1 + 6x2 + 3x3 = 12

2x1 + 4x2 + 3x3 = 16

2x1 + 4.(7) + 3.(2) = 16

2x1 + 28 + 6 = 16

2x1 + 34 = 16

2x1 = 16 – 34

2x1 = -18

X1 = -18/2 = -9

 

-x2 – 5/2x3 = -12

-x2 = -12 + 5/2.(2)

-x2 = -7

x2 = 7


2x3 = 4

X3 = 4/2 = 2

 

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