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What must be the matrix X if 2X+[[1,2],[...

What must be the matrix X if `2X+[[1,2],[3,4]]=[[3,8],[7,2]]`?

A

`[[1,3],[2,-1]]`

B

`[[1,-3],[2,-1]]`

C

`[[2,6],[4,-2]]`

D

`[[2,-6],[4,-2]]`

Text Solution

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The correct Answer is:
A
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