SSC CPO 4 July 2017 Shift 1 Paper
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Question : 133 of 200
Marks:
+1,
-0
If 3x−1x+5y−1y+7z−1z=03x−1x+5y−1y+7z−1z=0 , then what is the value of 1x+1y+1z?1x+1y+1z?
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