Solving an equations with rational expressions

The video tutorial reviews fractions and demonstrates how to simplify expressions by eliminating fractions using the least common multiple (LCM). It explains the process of applying LCM to solve equations without fractions, making them easier to handle. The tutorial also discusses alternative methods for solving equations, emphasizing the importance of understanding LCM and its application in algebraic problems.

What steps did the teacher take to simplify the expression involving X + 3?

How did the teacher arrive at the final answer of 6 for the variable X?

What alternative method did the teacher suggest for solving the problem without using fractional operations?