$\"\"$ $\"\"$

The expression is $\"\"$ .

According to Subtraction property of equality: if a = b, then $\"\"$ .

$\"\"$ (Subtract 4 from each side)

$\"\"$ (Commutative property: a + b = b + a)

$\"\"$ (Additive inverse property: 4 - 4 = 0)

$\"\"$ (Additive identity property: a + 0 = a)

$\"\"$ (Multiply each side by negative one)

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

The expression is $\"\"$ .