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# Algebra - PowerPoint PPT Presentation

The Seven Steps to Solving Equations. Algebra Karaoke. Step Number 1. Look at the Equation. 2(x + 5) + 3x = -5(x + 4) + 15x. Step Number 2. Apply the Distributive Property if it is in the equation. Original: 2(x + 5) + 3x = -5(x + 4) + 15x. 2x +10 + 3x = -5x – 20 + 15x. Step Number 3.

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## PowerPoint Slideshow about 'Algebra ' - Solomon

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Presentation Transcript
Algebra Karaoke

• Look at the Equation

2(x + 5) + 3x = -5(x + 4) + 15x

• Apply the Distributive Property if it is in the equation.

Original: 2(x + 5) + 3x = -5(x + 4) + 15x

2x +10 + 3x = -5x – 20 + 15x

• Combine Like Terms on EACH side of the equals sign

Combining Like Terms is like collecting apples and oranges……only put terms together that look EXACTLY alike!

Last Step: 2x + 10 + 3x = -5x – 20 + 15x

Combining: 5x + 10 = 10x - 20

(Goal: Get variables on one side of the equals sign and all whole numbers on the other side)

5x + 10 = 10x – 20

- 10 - 10

5x = 10x – 30

-10x -10x

-5x = -30

• Multiply or Divide

(Goal: To get the variable alone with only a 1 in front of the variable)

-5x = -30

-5 -5

( Anything divided by itself is 1)

• Find the solution to the equation

-5/ -5 = 1x and -30/-5 = 6 so,

My solution is : x = 6

2(x + 5) + 3x = -5(x + 4) + 15x

2(6 + 5) + 3(6) = -5(6 + 4) + 15(6)

• Use this website for help in solving equations

• http://www.coolmathalgebra.com/Algebra1/index.html

• Pick 2 to 3 other people to be in your group

• Pick a T.V. Theme Show Song (approved by the teacher)

• Rewrite the words to include the 7 steps to solving an equation

• Turn in a copy of your rewritten song

• Perform the song for the class

• Creativity earns more points (Costumes, dancing, etc.)

Creating Your Own Personal Algebra Karaoke Tune

• Saved By The Bell

• Scooby Doo

• The Flintstones

• Fresh Prince of Bellaire