Solve a one step equation using multiplication with a mixed number

The video tutorial guides viewers through solving an equation involving a mixed number and a variable. The teacher explains the process of undoing division by multiplication and converting mixed numbers to improper fractions for multiplication. The solution is found and simplified, with emphasis on understanding the steps involved.

What is the improper fraction equivalent of the mixed number 6 3/4?

What is the final solution for R in the equation?