How to evaluate an expression using substitution

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Resource ID#: 124876 Primary Type: Tutorial
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Direct Link: https://www.khanacademy.org/math/algebra/introduction-to-algebra/variable-and-expressions/v/evaluate-a-formula-using-substitution

In this example we have a formula for converting Celsius temperature to Fahrenheit. Let's substitute the variable with a value (Celsius temp) to get the degrees in Fahrenheit. Great problem to practice with us!

General Information

Subject(s): Mathematics
Grade Level(s): 9, 10, 11, 12
Intended Audience: Educators educators, Students
Suggested Technology: Computers for Students, Internet Connection, Speakers/Headphones
Keywords: evaluate, Equations, Variables, Substitution, rational Coefficient, Multiplying fractions
Instructional Component Type(s): Tutorial
Resource Collection: Secondary Math specific existing tutorials

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