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Learning Targets
- For an equation like 3(x + 2) = 15, I can solve it in two different ways: by first dividing each side by 3, or by first rewriting 3(x + 2) using the distributive property.
- For equations with more than one way to solve, I can choose the easier way depending on the numbers in the equation.
Notes
Notes
Activities
Activities
10.2 Analyzing Solution Methods
10.2 Analyzing Solution Methods
Three students each attempted to solve the equation 2(x - 9) = 10, but got different solutions. Here are their methods. Do you agree with any of their methods, and why?
10.3 Solution Pathways
10.3 Solution Pathways
For each equation, try to solve the equation using each method (dividing each side first, or applying the distributive property first). Some equations are easier to solve by one method than the other. Write which is the easier method and why. Then continue solving the equation.
Summary
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