If ["x"+3"y\ ""y"7-"x"4]=[4-1 0 1], find...

If `["x"+3"y\ ""y"7-"x"4]=[4-1 0 1],` find the values of `"x"` and `"y"` .

A

x=7,y=-1

B

x= -7,y=1

C

x=-7, y= -1

D

None of these

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The correct Answer is:

A

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