2x-4y+z= -10 3x+y+2z= 60 -2x+y-z= -20
Matematika
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Pertanyaan
2x-4y+z= -10
3x+y+2z= 60
-2x+y-z= -20
3x+y+2z= 60
-2x+y-z= -20
2 Jawaban
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1. Jawaban Theo181
=> Jawaban <=
x, y, z = {-38, -6, 90}2. Jawaban farid341
a. 2×(-4)+(-2)=-10
b. (3×19)+(1+2)=60
c. -2×9+(-1)-1 = -20
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