# Lauryn Hagan, Period 4

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#### Storyboard Description

Have fun with people who are very bad at ice skating! Learn how to do two step equations.

#### Storyboard Text

• Jack falls 1/2 of x times while he is skating.
• Clara says that she fell 8 times. In total, they both fell 22 times. What is the value of x? How do you figure this out, you ask? Well, follow me...
• Let's travel to a world where people stay at the beach all day and everything adds up perfectly...... (see what I did there)
• Where are we? Why, we are on equation island! Today, we will solve the equation 1/2 x+8=22. Now, we know that to find x, you have to get the variable by itself. We also know that unlike terms cannot be added together. This is where we use inverse operations.
• TWO STEP EQUATIONS ROCK!!!!!!!
• Now, you might be thinking that this is hard, but not at all. In the equation 1/2x+8=22, you are trying to add 1/2x and 8 together. What is the opposite of adding? Subtracting!
• Next, we have to use the equality property of subtraction. This means that if we subtract 8 from one side, we have to do it to the other! Now, we have 1/2 x= 14. Go to the next slide!
• Next, we have to get the variable by itself. How do you get a fraction to get to a one? You multiply it by it's reciprocal. This is also called the multiplicative inverse. Once you do this, you will find that you solution is x= 28! Thanks for tuning in!
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