The equation is
Subtraction property of equality: If a = b then
(Subtract 14 from each side)
(Commutative property: a + b = b + a)
(Additive inverse property:
)
(Additive identity property:
)
(Subtract:
)
(Multiply each side by negative one)
(Product of two same signs is positive)
(Product of two different signs is negative)
The value of .