## Elementary Linear Algebra 7th Edition

$$w=2u-3v =(-2,-4,-9,1).$$
Let $u=(1,-1,0,,1)$, $v=(0,2,3,-1)$. Since $w+3v=-2u$, then we have $$w=2u-3v=-2(1,-1,0,1)-3(0,2,3,-1)) =(-2,-4,-9,1).$$