Properties in Algebra

Commutative Property

3 + -5 + 7 = 3 + 7 + -5

Associative Property

a + b + c = a + (b + c)

Algebraic Definition of Subtraction
"Leave-Change-Flip

8 - 3 = 8 + (-3)

Property of Opposites

-(-X) = X

Commutative Property

a + b + c = a + c + b

Multiplication Property of -1

-1 � a = -a

Distributive Property

2(x + 3) = 2X + 6