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Question
If 217x + 131y = 913, 131x + 217y = 827, then x + y is ______.
Options
5
6
7
8
MCQ
Fill in the Blanks
Solution
If 217x + 131y = 913, 131x + 217y = 827, then x + y is 5.
Explanation:-
Adding the two given equations
we get
348x + 348y = 1740.
So x + y = 5
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