Recycle Review Unit 2

Recycle Review for Unit 2: Expressions and Equations

Unit 2 Math 8

Distributing

3 (2x - 7)

Distributive Property

Multiple Choice

3 (3x + 5)

• 9x

• 15

• 9x + 15

• 24x

Multiple Choice

2 (x - 3)

• 2x

• -6

• 2x - 6

• 8x

Multiple Choice

5 (-2x + 3)

• -10x + 15

• -10x

• 15

• -25x

Combine Like Terms

2a + 3c + 5 - 1a - 1c + 3

In the expression above, there are terms with an 'a variable', terms with a 'c variable' and terms that are just numbers (called a constant).

You can only add or subtract like-terms.

So,

2a - 1a = 1a 3c - 1c = 2c 5 + 3 = 8

Leaving us with: 1a + 2c + 8

Combining Like-Terms

Multiple Choice

2a + 3 + 4a + 2

• 5a

• 6a + 5

• 9a

Multiple Choice

4x + 5x + 5c

• 9x + 5c

• 14xc

• 100cx

Fill in the Blank

2w + 1c + 5 - 1w + 3c - 5 = 1w + _c + 0

Solving a 2-Step Equation

2-Step Equations

Fill in the Blank

Solve the following equation:

2x + 3 = 11

Fill in the Blank

Solve the following equation:

-3x + 4 = 13

Solving a Multi-Step Equation

3(2x + 2) + 4 = 70

Step 1: Distribute

Step 2: Combine Like-Terms

Step 3: Add or Subtract #

Step 4: Divide by Coefficient

Some text here about the topic of discussion

Fill in the Blank

Solve this Equation:

2(4x + 3) + 2 = 24