Adding Expressions

Front

What is the sum of (3w - 8) + (-6w - 4)?

Back

-3w - 12

Front

What is the sum of (n + 7) + (n - 14)?

Back

2n - 7

Front

What is the result of 5(x-4) + (2x-7)?

Back

7x - 27

Front

What is the sum of (−3x + 7) + (2x − 5)?

Back

−x + 2

Front

What is the result of 6(x+7) + (x+3)?

Back

7x + 45

Front

Define 'expression' in mathematics.

Back

An expression is a combination of numbers, variables, and operators (such as + and -) 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 algebra?

Back

A variable is a symbol (often a letter) that represents an unknown value.

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac.

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.