x + y + z = 12 x + y - z = 0 x - y + z =4
Matematika
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Pertanyaan
x + y + z = 12
x + y - z = 0
x - y + z =4
x + y - z = 0
x - y + z =4
1 Jawaban
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1. Jawaban didin68
X=-y-z+12
(-y-z+12)+y-z=0
-y-z+12+y-z=0
-2z=-12
Z=6