Solving for One Variable
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We can apply these concepts to known formulas, such as formulas for the area of a shape or rates. Watch these two videos for real examples of using formulas. In the first video, the formula for the perimeter of a rectangle is solved for the width. In the second video, a formula is used to convert between Fahrenheit and Celsius.
Source: Khan Academy, https://www.khanacademy.org/math/algebra-home/alg-basic-eq-ineq/alg-old-school-equations/v/solving-for-a-variable, https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:modeling/x2ec2f6f830c9fb89:manipulating-formulas/v/solving-for-a-variable-2
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