Revenue(x) = Price(x) * x
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Substitute the number in the equation. If the resulting statement is true the number is a solution to the equation.
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The answer is....... 1. read the problem 2. determine the unknowns and represent them 3. write an equation 4. solve the equation 5. answer the question
An equation has an equals sign ( = ). Equations assert the absolute equality of two expressions.
All the variables that appear in it have the exponent 1. If you plot the equation, it is a straight line.