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If A,B,C are matrices of order 2xx2 each...

If A,B,C are matrices of order `2xx2` each and `2A+B+C =[[1,2],[3,0]]`
`A+B+C=[[0,1],[2,1]]`
`A+B-C =[[1,2],[1,0]]`find A,B and C.

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