Matematika

Pertanyaan

x + 2y - 3z = -1
-3x + y - 2z = -7
5x + 3y - 4z = 2

1 Jawaban

  • x+2y-3z= -1 | 4 | 4x+8y-12z = -4
    -3x+y-2z= -7 | 6 | -18x+6y-12z =-42
    5x+3y-4z= 2 | 3 |15x+6y-12z = 6
    =x+20y = -40
    =hn....

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