Adding Expressions

Front

What is the sum of (6 - k) + (4k + 1)?

Back

3k + 7

Front

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

Back

5b + a - 3

Front

What is the sum of (3d - 5) + (d + 3)?

Back

4d - 2

Front

What is the sum of (4a - 6b + 3) + (a - 5)?

Back

5a - 6b - 2

Front

What is the sum of (y + 2x + 5) + (3y - 3x + 1)?

Back

4y - x + 6

Front

Define '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 'combine like terms'?

Back

Combining like terms means to add or subtract terms that have the same variable raised to the same power.

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.

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac, allowing you to multiply a single term by each term inside a parenthesis.

Front

What is the difference between an equation and an expression?

Back

An equation states that two expressions are equal, while an expression does not include an equality sign.