Adding and Subtracting Expressions

Front

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

Back

2x + 3

Front

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

Back

-6u + 7

Front

What is the result of 5(x-4) + (2x-7)?

Back

7x - 27

Front

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

Back

4x - 8

Front

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

Back

3x + 8

Front

Define 'expression' in mathematics.

Back

An expression is a combination of numbers, variables, and operators (like + and -) that represents a value.

Front

What does it mean to 'simplify' an expression?

Back

To simplify an expression means to combine like terms and reduce it to its simplest form.

Front

What are 'like terms'?

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

What is the difference between an expression and an equation?

Back

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