PP Presentation
preintervention
INTERVENTION AS SURGERY
postintervention
2X - 2Y + Z - 1 = 0
2X + 2Y - 3Z + 3 = 0
= Y + 1
Z
0
X
Y
Z
• 2
+ 1
impossible
X
Z
• 1/2
- 1
0
Y
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Notes:
slide 45