$\"\"$

The given expression is $\"\"$ .

$\"\"$ (The common denominator is 2)

$\"\"$ (Distributive property)

$\"\"$ (Product of two same signs is positive) $\"\"$

$\"\"$ (Apply commutative property of addition: $\"\"$ )

$\"\"$ (Subtract: $\"\"$ )

$\"\"$ (Add: $\"\"$ )

$\"\"$ (Take out common factor)

$\"\"$ (Cancel common term) $\"\"$

The solution is 2.