Subtracting Expressions

Front

What is the result of subtracting two expressions?

Back

The result is called the difference, which is found by subtracting the second expression from the first.

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 is a like term?

Back

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

Front

What is the first step in subtracting expressions?

Back

The first step is to distribute any negative signs across the second expression.

Front

Solve: (8 - u) - (5u + 1)

Back

-6u + 7

Front

Solve: (8x + 7) - (8x + 7)

Back

0

Front

Solve: (-4a + 5b – 7) – (5a + 3b)

Back

-9a + 2b - 7

Front

Solve: (5x - 6) - (x + 2)

Back

4x - 8

Front

Solve: (10j - 7) - (-9j + 2)

Back

19j - 9

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 two or more terms inside a set of parentheses.