# Linear Expressions

Simplifying Expressions

**Background Knowledge**

Simplifying Algebraic Expressions

Expressions do NOT have an equals sign.

3a + 4 - 7a + 5

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**

Distribute: to give equal shares of something.

**Independent Practice **

**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.

**Independent Practice **