# My 800 followers problem!

Algebra Level 5

$\begin{array} (799(x-y)& +& 800(y-z)& + &801(z-x) & =0 \\ 638401(x-y) & + & 640000(y-z) & +& 641601(z-x) & =800 \end{array}$

If $$x,y,z$$ satisfy the above system of equations then find the value of $$x-2y+z$$.

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