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

Sure, here's the description with the links and additional text removed: --- 👉 Learn how to solve proportions. Two ratios ...
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Simplifying an expression with brackets and parenthesis

In this video playlist, I show you how to solve different math problems for Algebra, Geometry, Algebra 2, and Pre-Calculus.