Reflexive Property of Equality

For any number \(a\),

$$\large{a = a}$$

In words: Any quantity is equal to itself.

Examples:

$$2 = 2$$

$$3 + 7 = 3 + 7$$

$$4\pi  = 4\pi $$

$$ - 3{y^2} =  - 3{y^2}$$

$$a + {b^2} - {c^3} = a + {b^2} - {c^3}$$