Linear Expressions

Simplifying Expressions

Background Knowledge

Simplifying Algebraic Expressions

  1. Expressions do NOT have an equals sign.

      • 3a + 4 - 7a + 5

  2. Negative = Opposite

      • x and -x are opposites

Adding and Subtracting Linear Expressions

Background Knowledge

Subtraction = Adding in the opposite direction.

10 - x = 10 + (-x)

The Distributive Property

Background Knowledge

Factors: Numbers or symbols in a multiplication problem. 5 x n = 35, so 5 and n are factors and 35 is the product.