1. Equations & Inequalities

In Exercises 99–106, solve each equation.5 - 12x = 8 - 7x - [6 ÷ 3(2 + 5^3) + 5x]

In Exercises 99–106, solve each equation.0.7x + 0.4(20) = 0.5(x + 20)

In Exercises 99–106, solve each equation.4x + 13 - {2x - [4(x - 3) - 5]} = 2(x - 6)

Solve: 9(x − 1) = 1 + 3(x−2).(Section 1.4, Example 3)

What is an identity equation? Give an example.

What is a conditional equation? Give an example.

What is an inconsistent 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

In Exercises 35–54, solve each formula for the specified variable. Do you recognize the formula? If so, what does it describe?S = P + Prt for r

In Exercises 35–54, solve each formula for the specified variable. Do you recognize the formula? If so, what does it describe?E = mc^2 for m

In Exercises 35–54, solve each formula for the specified variable. Do you recognize the formula? If so, what does it describe?V = (1/3)Bh for B

In Exercises 35–54, solve each formula for the specified variable. Do you recognize the formula? If so, what does it describe?A = (1/2)bh for b