Adding and Subtracting Expressions

Front

What is the result of (2x + 7) - 3(5x - 4)?

Back

-13x + 19

Front

Simplify (6x + 9) - (4x + 6).

Back

2x + 3

Front

What do you get when you simplify (4y - 8) - (3y - 9)?

Back

y + 1

Front

Simplify (5x + 3) - (2x - 5).

Back

3x + 8

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 (like + and -) that represents a value.

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 are 'like terms'?

Back

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

Front

What is the distributive property?

Back

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

Front

How do you combine like terms in an expression?

Back

You add or subtract the coefficients of the like terms.