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Question
If 4x + 3y + 6z = 25, x + 5y + 7z = 13, 2x + 9y + z = 1, then z = ____________.
Options
1
3
-2
2
MCQ
Fill in the Blanks
Solution
If 4x + 3y + 6z = 25, x + 5y + 7z = 13, 2x + 9y + z = 1, then z = 2.
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