2x+2y+z=7. x+2y+z=9. 2x+2y+3z=13
Matematika
dzikro112
Pertanyaan
2x+2y+z=7.
x+2y+z=9.
2x+2y+3z=13
x+2y+z=9.
2x+2y+3z=13
1 Jawaban
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1. Jawaban cantikasalsa1506
2x+2y+z=7
x+2y+z=9
eliminasi
x=-2
2x+2y+z=7
2x+2y+3z=13
eliminasi
2z=6
z=3
2y=9-x-z=9-(-2)-6=5
y=2,5
HP={-2;2,5;3)