Solve each equation. 4x + 13 - {2x - [4(x - 3) - 5]} = 2(x - 6)

What is an identity equation? Give an example.

What is a conditional equation? Give an example.

Find b such that (7x + 4)/b + 13 = x has a solution set given by {- 6}.

After a 30% price reduction, you purchase a 50″ 4K UHD TV for \$245. What was the television's price before the reduction?

In Exercises 35–54, solve each formula for the specified variable. Do you recognize the formula? If so, what does it describe? A = 2lw + 2lh + 2wh for h

In Exercises 35–54, solve each formula for the specified variable. Do you recognize the formula? If so, what does it describe? S = C/(1 - r) for r