Matematika x+y+z=10 2x+y+z=4 x+2y+z=2 mhon dbntu ya segera​

lavinialockmanulv – June 07, 2023

x+y+z=10
2x+y+z=4
x+2y+z=2
mhon dbntu ya segera​

[tex] = [/tex]

Penyelesaian

Soal 1

x + y + z = 10

Jawaban :

x + y + z - y - z = 10 - y - z

x + z - z = 10 - y - z

x = 10 - y - z

x = - y - z + 10

Soal 2

2x + y + z = 4

Jawaban :

2x = 4 - y - z

x = 2 - 1/2y - 1/2z

x = - 1/2y - 1/2z + 2

Soal 3

x + 2y + z = 2

Jawaban :

x + 2y + z - 2y - z = 2 - 2y - z

x + z - z = 2 - 2y - z

x = 2 - 2y - z

x = - 2y - z + 2

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