Adding and Subtracting Expressions

Front

What is the result of (6x + 9) - (4x + 6)?

Back

2x + 3

Front

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

Back

4x - 8

Front

What is the result of (8 - u) - (5u + 1)?

Back

-6u + 7

Front

What is the result of (10x + 2) - (8x - 4)?

Back

2x + 6

Front

What is the result of (2x + 3) + (x + 4)?

Back

3x + 7

Front

Define a variable in an expression.

Back

A symbol (like x or y) that represents an unknown number.

Front

What does it mean to simplify an expression?

Back

To combine like terms and reduce the expression to its simplest form.

Front

What are like terms?

Back

Terms that have the same variable raised to the same power.

Front

What is the distributive property?

Back

a(b + c) = ab + ac; it allows you to multiply a term by a sum.

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equal sign, while an equation does.