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**Combining Like Terms and the Distributive Property**

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Warm-Up Solve the following Equation: 7x - 2x x = 21

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**Combining Like Terms Like Terms**

"Like terms" are terms whose variables (and their exponents such as the 2 in x2) are the same. In other words, terms that are "like" each other.

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Can you combine these? 5x + 3x 7x + 5 3y + 4x 5y + 10y 3 + 5 Yes No

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5x + 18 – 8x = 33 Combine Like Terms Subtract 18 From Both Sides Divide Both Sides by -3 Solve For The Variable -3x + 18 = 33 -3x = 15 -3 -3 X = -5

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–3x – 4 + 2x = 2 -x - 4 = 2 -x - 4 = x = 6 -x = x = -6 Combine Like Terms Add 4 to both sides Divide Both Sides by -1 Solve For The Variable

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**Subtract 14 from both sides**

7x + 14 – 5x = -8 2x + 14 = x = -22 2x = X = -11 Combine Like Terms Subtract 14 from both sides Divide Both sides by 2 Solve for x

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Exit Slip Can you combine 7x and 3? Why or Why not?

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Warm-Up Combine 5x -3x-4y+ 3

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**Distributive Property**

The Distributive Law says that multiplying a number by a group of numbers added together is the same as doing each multiplication separately Distributive Property- Multiply the term outside the parenthesis with the terms inside the parenthesis.

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**Solve the following equation**

3( x + 2 ) = 12 3x + 6 = x = 6 3x = X= 2 Distribute Combine Like Terms (if needed) Subtract 6 from both sides Divide both sides by 3 Solve for x

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**2 ( x + 7) + x = 20 2 ( x + 7) + x = 20 2x + 14 + x = 20 3x + 14 = 20**

3x = 6 x = 2 Distribute Combine Like Terms Subtract 14 from both sides Divide both sides by 3 Solve for x

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**Using the Distributive Property**

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**What does it mean to distribute? Explain in your own words.**

Exit Slip What does it mean to distribute? Explain in your own words.

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