somebody asked me this. I don't know whether it is interesting but I hope someone can solve it.
find $x,y,z$ such that
$x+yz=M$,
$y+zx=N$,
$z+xy=K$,
where $M,N,K$ are constants.
somebody asked me this. I don't know whether it is interesting but I hope someone can solve it.
find $x,y,z$ such that
$x+yz=M$,
$y+zx=N$,
$z+xy=K$,
where $M,N,K$ are constants.