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please fill the spaces with suitable number in such a way that each row ,each column and each diagonal should get -2 in the magical square 4X4.
7 -1 space space
space 3 -2 space
0 -2 space space
-5 space 6 -8
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7 -1 X D
A 3 -2 C
0 -2 E Y
-5 B 6 -8
Fill the positions step by step in the sequence pointed in these steps: A, B, C, D, E.
1) Fill A moving along the column
2) Fill B moving along the row
3) Fill C moving along the row
4) Fill D moving along the diagonal SW - NE (southWest-northEast)
5) Fill E moving along the diagonal NW - SE (northWest-southEast)
After completing this you should be able (I believe) to find X and Y and to complete the assignment on your own.
After all, it is an entertainment problem !!