Add and Subtract 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 combine like terms?

Back

Combining like terms involves adding or subtracting terms that have the same variable raised to the same power.

Front

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

Back

11k + 6

Front

What is the result of combining the like terms: 5a + 2a + 2a?

Back

9a

Front

What is the process of subtracting linear expressions?

Back

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

Front

What is the result of subtracting the expressions: (2x + 5) − (x + 4)?

Back

x + 1

Front

What is the result of combining the like terms: 7v + 2 + 12 + 2v?

Back

9v + 14

Front

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

Back

-2a + 2

Front

What is a coefficient in a linear expression?

Back

A coefficient is a numerical factor that multiplies a variable in an expression.

Front

What does it mean for two terms to be 'like terms'?

Back

Like terms are terms that have the same variable raised to the same power.