$\"\"$

The vectors are $\"\"$ .

$\"\"$ (Write scalar multiplication form of vector)

$\"\"$ (Substitute $\"\"$ )

$\"\"$ (Write scalar multiplication form of vector)

$\"\"$ (Substitute $\"\"$ ) $\"\"$

The difference of vector is $\"\"$ .

$\"\"$ (Apply difference of vectors: $\"\"$ )

$\"\"$ (Substitute $\"\"$ )

$\"\"$ (Simplify) $\"\"$

The resultant vector is $\"\"$ .