Consider Vector A and $B$ are as follows:

$A=-i-4j$

and

$B=-3i-2j$

Please find vector $D=-$vec$(A)+3$vec$(B)$

$-8$hat$(i)-2$hat$(j)$

$-8$hat$(i)+2$hat$(j)$

$8$hat$(i)+2$hat$(j)$

$+8$hat$(i)-2$hat$(j)$