Add: 6px - 2 qy + 3rz , 6qy - rz - 11px ,10rz - 2 px - 3qy
Answers
Answered by
4
Answer:
-7px +qy +12rz
Step-by-step explanation:
6px -2qy +3rz
-11px. 6qy. -rz
-2px. -3qy. +10rz
----------------------------
-7px. +qy. +12rz
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