How to do substitution method

Solve the following equations. ln (x + 2) + ln (x - 2) = ln (9x - 24)

At the dog show there are four times as many boxes as spaniels if there are a total of 30 dogs how many dogs are spaniels

The scale on a map is 1 cm : 7 km. if two cities are 15 cm apart on the map, what is the actual distance between the cities? 2.14 km 15 km 735 km 105 km

The common 6 and 10 lcm = ?

Week 1: 2 1/2 Week 2: 3 Week 3: - 1 1/4 Week 4: 4 1/4 Week 5: 1 1/4 Week 6: - 1 1/2 Marcus is trying to gain weight for the upcoming wrestling season. His gains and losses (in pounds) each week are shown.

What is the solution to 0 = - 6n

A bike sickle us wrote a distance of 3 miles in 18 minutes. what was the average rate of the bicycle is in miles per hour.

Over 6.8 months, a tree grew 7.48 inches. What is the tree's growth rate? Enter your answer in the box.

The equation of the circle whose center is at (2, 1) and radius is 3 is A. (x + 2) ² + (y + 1) ² = 9 B. (x - 2) ² + (y - 1) ² = 9 C. (x - 2) ² + (y - 1) ² = 3

How do you solve for percent increase and percent decrease?