Adding Expressions

Front

What is an expression in mathematics?

Back

An expression is a combination of numbers, variables, and operators (such as +, -, *, /) that represents a value.

Front

What does it mean to add expressions?

Back

Adding expressions involves combining like terms to simplify the expression into a single expression.

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.

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac, meaning you can distribute a factor across a sum.

Front

Simplify the expression: 6(x + 7) + (x + 3)

Back

7x + 45

Front

Simplify the expression: (x - 1) + (2x + 3)

Back

3x + 2

Front

Find the sum: (−3x + 7) + (2x − 5)

Back

−x + 2

Front

Simplify the expression: 2(x + 3) + 3(3x - 2)

Back

11x

Front

What is the result of adding (7b - 4) + (-2b + a + 1)?

Back

5b + a - 3

Front

What is a variable in an expression?

Back

A variable is a symbol (often a letter) that represents an unknown value in an expression or equation.