3.2 Adding/Subtracting Linear Expressions

Front

What is the result of (2x + 3) + (x + 5)?

Back

3x + 8

Front

What is the result of (x + 4) + (3x + 9)?

Back

4x + 13

Front

What is the result of 6(x + 7) + (x + 3)?

Back

7x + 45

Front

What is the result of (2x - 6) + (4x - 4)?

Back

6x - 10

Front

What is the result of (5x - 6) - (x + 2)?

Back

4x - 8

Front

Define a linear expression.

Back

A linear expression is an algebraic expression in which each term is either a constant or the product of a constant and a single variable.

Front

What does it mean to add linear expressions?

Back

To add linear expressions, combine like terms by adding their coefficients.

Front

What is a like term?

Back

Like terms are terms that have the same variable raised to the same power.

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac.

Front

How do you subtract linear expressions?

Back

To subtract linear expressions, distribute the negative sign and then combine like terms.