## Precalculus (6th Edition) Blitzer

$u-v=5i-12j$
We are given that the two vector equations for the vectors $u$ and $v$ as follows: $u= 2i-5j$ and $v=-3i+7j$ In order to subtract the two vectors we will have to add their respective coefficients. $u+v=(2+3)i+(-5-7)j$ Hence, $u-v=5i-12j$