1. Write down the original equation: 3x + 6 = 24 .
2. Subtract 6 from both sides: 3x + 6 - 6 = 24 - 6 leading to 3x = 18 .
3. Divide both sides by 3: x = \frac{18}{3} .
4. Simplify the solution: x = 6 .
Frequently asked questions (FAQs)
How many ways are there to arrange 5 different books on a shelf?
+
Question: "The heights (in inches) of five students are 62, 64, 65, 67, and 70. Calculate the variance."
+
What is the surface area of a cone with radius r and slant height l? (Hint: Use the formula SA = πr(r + l))