Algebraic Expressions and Equations

Front

Evaluate the expression -5a - b for a = -6 and b = 3.

Back

27

Front

Simplify the expression 4(3 - a).

Back

12 - 4a

Front

Simplify the expression n - 10 + 9n - 3.

Back

10n - 13

Front

Solve the equation 18 + a = -50.

Back

a = -68

Front

Simplify the expression 2x + 1 + 7x.

Back

9x + 1

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols.

Front

What is a variable in algebra?

Back

A variable is a symbol, usually a letter, that represents one or more numbers.

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 an expression and an equation?

Back

An expression does not have an equality sign, while an equation does.

Front

What are like terms?

Back

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