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Show that |{:(x,y,z),(2x+2a,2y+2b,2z+2c)...

Show that `|{:(x,y,z),(2x+2a,2y+2b,2z+2c),(a,b,c):}|=0`

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`"Given"|{:(x,y,z),(2x,2y,2z),(a,b,c):}|+|{:(x,y,z),(2a,2b,2c),(a,b,c):}|
`0+0=0`
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