Investigation Notebook and Reflection Journal - McGraw-Hill Higher ...
Investigation Notebook and Reflection Journal - McGraw-Hill Higher ...
Investigation Notebook and Reflection Journal - McGraw-Hill Higher ...
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LESSON<br />
9.3<br />
Solve Equations<br />
In Lesson 9.3, I expect to learn:<br />
<strong>Investigation</strong> 1<br />
I found this on page .<br />
Develop & Underst<strong>and</strong>: A<br />
1. Imagine a balance puzzle for the equation 12x + 6 = 6x + 18.<br />
What would you do first when solving the balance puzzle? How<br />
does this translate into using symbols to solve the equation?<br />
Develop & Underst<strong>and</strong>: B<br />
2. Solve the equation 9x + 3 = 8x + 8 by showing how the<br />
equation changes at each step. Label each step with a description.<br />
Solution Steps<br />
Description<br />
Copyright © Glencoe/<strong>McGraw</strong>-<strong>Hill</strong>, a division of The <strong>McGraw</strong>-<strong>Hill</strong> Companies, Inc.<br />
<strong>Investigation</strong> 2<br />
I found this on page .<br />
Develop & Underst<strong>and</strong>: A<br />
3. Why is it sometimes best not to think about a balance puzzle<br />
when you are doing the same thing to both sides of an equation?<br />
Give an example.<br />
Lesson 9.3 95
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