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# Algebra - Equation

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See the attached question file.

1. How does the author determine what the first equation should be?
2. What about the second equation?
3. How are these examples similar?
4. How are they different?

Find a problem in the text that is similar to examples 2, 3, and 4.
1. Post the problem for your classmates to solve.

https://brainmass.com/math/basic-algebra/solving-applied-problems-equations-198001

#### Solution Preview

1. How does the author determine what the first equation should be?

The first equation is the equation formed out of the first information in the problem. If the variables in the question are taken as x and y, usually the first equation will be x + y = k, where k is the sum of x and y as given in the question. This step is called "Total value" step and the resulting equation is called "Total Value" equation.

2. What about the second equation?

The second equation is the equation formed out ...

#### Solution Summary

Neat and step-wise answers are provided for all the questions given regarding solving applied problems.

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