# Simplify Algebraic Expression

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#### Storyboard Text

• Today, in our class, we are going simplify   algebraic expressions! Let's look at the expression on the board. Isn't awesome?
• -17 -t- ( t+3 )
• I know how to do it! Let me demonstrate!
• ﻿No Idea how to do it.
• ﻿NOOOOOO!!!
• Clara, I know you knew the answer, but don't be so eager! I am going to demonstrate this to you guys.
• -17 -t- ( t+3 )
• First, we need to take out the parenthesis. So, the expression changed to -17-t-t-3. Because the sign in front of the parenthesis is a -, so the sign in the parenthesis must change to a -.﻿
• -17 -t- ( t+3 )
• ﻿Then, we are going to combine the like terms together. There are two groups of like terms in this expression, t and t, -17 and -3. So now to expression changed to, -17+(-3 )-t-t. Then changed it to -20 -2t. And that is the simplest form for this algebraic expression.
• -17 -t- ( t+3 )
• And now it is time to organize our work!﻿
• -17-t-(t+3) =-17-t-t-3 =-17-2t-3 =-20-2t
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