Adding and Subtracting Linear Expressions

Front

What is 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 raised to the first power.

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. For example, 3x and 5x are like terms.

Front

How do you add linear expressions?

Back

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

Front

How do you subtract linear expressions?

Back

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

Front

What is the perimeter of a figure?

Back

The perimeter of a figure is the total distance around the figure, calculated by adding the lengths of all its sides.

Front

What is the result of (7k - 9) + (-4k + 3)?

Back

3k - 6

Front

What is the result of (7a + 4) - (9a + 2)?

Back

-2a + 2

Front

What is the result of (7x - 4) - (3x - 2)?

Back

4x - 2

Front

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

Back

2x + 6