Using Properties to Simplify Expressions

Question 1

Which expressions are equivalent to 6 +(–x) + 2x + (–7) + 2x? Check all that apply.

Revolt · Accepted Answer

x + x + 6 – 7 + x; 3 – x + 2x – 4 + 2x

Question 2

Check all that you included in your response.

Revolt · Accepted Answer

Show the answer for 6x – 4 – x.; Combine like terms.

Question 3

Which expression is not equivalent to 3x – 2?

Revolt · Accepted Answer

2x + 2 + x

Question 4

Which expression is equivalent to –3 – 3x – 1 + x?

Revolt · Accepted Answer

–2x – 4

Question 5

Which of the following equations, in its simplest form, will be equivalent to 3x + 2 + (–5)?

Revolt · Accepted Answer

x – 1 + x – 2 + x

Question 6

Which expression is equivalent to 3x – 5?

Revolt · Accepted Answer

2x – 4 – 1 + x

Question 7

Explain how you can tell if the expressions 7x – 4 and 6x – 4 – x are equivalent.

Revolt · Accepted Answer

6x − x = 5x. The new expression is now 5x − 4. This is not equivalent to 7x − 4.

Question 8

An equivalent expression is –4x–2x2x4x + 3.

Revolt · Accepted Answer

–4x

Using Properties to Simplify Expressions Answers