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If [x-y2x+z2x-y3z+w]=[-1 5 0 13],fin d ,...

If `[x-y2x+z2x-y3z+w]=[-1 5 0 13],fin d` ,xy,z,w.

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Given,`[[x-y,2x+z],[2x-y,3z+w]]=[[-1, 5],[ 0, 13]]`
Solving both sides
`x-y=-1,2x+z=5`
and `2x-y=0,3z+w=13`
or,`x=1,y=2,z=-3,w=22`
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