2D Vector Subtraction Formula

Equation for calculate 2d vector subtraction is,

$a-b=\left[\begin{array}{c}{a}_x\\ a_y\end{array}\right]-\left[\begin{array}{c}{b}_x\\ b_y\end{array}\right]=\left[\begin{array}{c}{a}_x-b_x\\ a_y-b_y\end{array}\right]$