Combining Like Terms Positive and Negative With Variables

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, 2x + 3x = 5x.

Front

What is the coefficient in the term 4y?

Back

The coefficient is 4, which is the number multiplying the variable y.

Front

Simplify the expression: 2x + 1 + 7x

Back

9x + 1

Front

Simplify the expression: -6k + 7k

Back

k

Front

Simplify the expression: -r - 10r

Back

-11r

Front

Simplify the expression: -10x + 15 - 3x + 2

Back

-13x + 17

Front

Simplify the expression: -5 + 6a + 7c + 4a

Back

10a + 7c - 5

Front

What is the result of combining -3x and 5x?

Back

2x

Front

What happens when you combine a positive and a negative term?

Back

You subtract the absolute values and keep the sign of the term with the larger absolute value.