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, 3x and 5x are like terms, while 3x and 4y 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, in 2x + 3x, you add the coefficients (2 + 3) to get 5x.

Front

What is a variable?

Back

A variable is a symbol, often a letter, that represents a number in mathematical expressions or equations. It can be any letter of the alphabet.

Front

Simplify the expression: 4a + 2a - 3a

Back

The simplified expression is 3a.

Front

Combine like terms: 10 + 5x + 3 + 2x

Back

The combined expression is 13 + 7x.

Front

What is the coefficient in the term 7y?

Back

The coefficient is 7, which is the number multiplying the variable y.

Front

Simplify: 6m + 4m - 2m

Back

The simplified expression is 8m.

Front

Combine like terms: 12 + 3x + 4 - 2x

Back

The combined expression is 16 + x.

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

Simplify: 5x + 2y + 3x - y

Back

The simplified expression is 8x + y.