# Solving Equations

Please solve below exercises using the Equation Editor. Answers are already provided for you from the actual book. You must show however how you have arrived at the answer.

Section 6.5

Exercise 55

Sophomore math. A survey of college sophomores showed that of the males were taking mathematics class and of the females were taking a mathematics class. One third of the males were enrolled in calculus and of the females were enrolled in calculus. If just as many males as females were surveyed, then what fraction of the surveyed students taking mathematics were enrolled in calculus? Rework this problem assuming that the number of females in the survey was twice the number of males.

Answer:

Section 6.6

Exercise 27. Solve each equation

Answer: -5, 2

Exercise 39. Solve each equation. Watch for extraneous solutions.

Answer: no solution

Exercise 47. Solve each equation.

Answer: -5, 5

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Please solve below exercises using the Equation Editor. Answers are already provided for you from the actual book. You must show however how you have arrived at the answer.

Section 6.5

Exercise 55

Sophomore math. A survey of college sophomores showed that of the males were taking mathematics class and of the females were taking a mathematics class. One third of the males ...

#### Solution Summary

The expert solves extraneous equations.