X + 2y + 5z = -17
2x – 3y + 2z = -16
3x + y - z = 3
1 answer:
Answer:
first one : x=−2y−5z−17
2nd one: x=
3
/2
y−z−8
3rd one: x=
−1
/3
y+
1
/3
z+1
Step-by-step explanation:
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