Solve a proportion by using the cross product and parenthesis ex 20, (b+13)/2 = –5b/3

The video tutorial demonstrates how to solve a proportion using the cross product method. It begins with an introduction to the concept, followed by a detailed explanation of multiplying cross products. The instructor then applies the distributive property to simplify the equation. Finally, the steps to solve for the variable B are shown, concluding with a summary of the process.

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