Wk 9 Adding and Subtracting Expressions

Front

What is the result of (7a + 4) - (9a + 2)?

Back

-2a + 2

Front

Find the difference: 2(x - 2) - 3(x - 4)

Back

-x + 8

Front

Simplify the expression: -5(x + 4)

Back

-5x - 20

Front

What is the simplified form of n - 10 + 9n - 3?

Back

10n - 13

Front

Find the sum: (5 - t) + (3t + 2)

Back

2t + 7

Front

What is the definition of an 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?

Back

You add or subtract the coefficients of the like terms while keeping the variable part the same.