2×+y +z=-9 3y-2×=-4 8z=-8
Matematika
bocilwoles
Pertanyaan
2×+y +z=-9
3y-2×=-4
8z=-8
3y-2×=-4
8z=-8
1 Jawaban
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1. Jawaban AAV1117
8z=-8
z=-8/8
z=-1
2x+y+z=-9
2x+y-1=-9
2x+y=-8
y=-2x-8
3y-2x=-4
3(-2x-8)-2x=-4
-6x-24-2x=-4
-8x=20
X=20/-8
X=-5/2
Y=-2x-8
Y=-2(-5/2)-8
Y=5-8
Y=-3