Combining Like Terms

Front

What are like terms?

Back

Like terms are terms that have the same variable raised to the same power. For example, 2x and 3x are like terms, while 2x and 3y are not.

Front

How do you combine like terms?

Back

To combine like terms, add or subtract the coefficients of the terms that have the same variable. For example, 2x + 3x = (2 + 3)x = 5x.

Front

Simplify the expression: 2x + 1 + 7x

Back

9x + 1

Front

Simplify: -7 + 25x - 9

Back

-16 + 25x

Front

What is the simplest form of the expression 6x + 3x - 5 + x + 1?

Back

10x - 4

Front

Simplify: 2x + 3 + 9x + 2

Back

11x + 5

Front

Simplify: 2x + 3x - 5

Back

5x - 5

Front

What is a coefficient in an algebraic expression?

Back

A coefficient is a numerical factor in a term of an algebraic expression. For example, in 4x, 4 is the coefficient.

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 is the difference between a constant and a variable?

Back

A constant is a fixed value (like 5), while a variable is a symbol that represents an unknown value (like x).