If \( \vec{a} \) and \( \vec{b} \) are non-zero and non-collinear a...

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If \( \vec{a} \) and \( \vec{b} \) are non-zero and non-collinear and the
\( \mathrm{P} \) linear and the linear combination

W \( (2 x-y) \vec{a}+4 \vec{b}=5 \vec{a}+(x-2 y) \vec{b} \) holds good for all real \( x \) and \( y \), then the value of \( x+y \) is
(1) -3
(2) 1
(3) 17
(4) 3
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