Solve a proportion by multiplying by the LCD ex 13, (2n - 9)/7 = (3 - n)/4

The video tutorial explains how to solve a proportion by eliminating fractions using the least common denominator (LCD) and the cross product method. It demonstrates the application of the distributive property to simplify equations and solve for the variable N. The tutorial concludes with the final solution, showing the step-by-step process to reach the answer.

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