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Solve Proportions | Cross Multiplication | Eat Pi
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In this video, I teach you how to solve proportions by cross multiplying. I go over a few examples, the last of which requires factoring a trinomial by grouping.
0:00 - 4/x = 5/9
0:52 - 5/(x-3) = 10/x
2:09 - (3-4x)/(1+5x) = 1/(2+3x)
If you have any questions, please leave them in the comment section below! Also, if you find the videos helpful, please like, share, and subscribe!
0:00 - 4/x = 5/9
0:52 - 5/(x-3) = 10/x
2:09 - (3-4x)/(1+5x) = 1/(2+3x)
If you have any questions, please leave them in the comment section below! Also, if you find the videos helpful, please like, share, and subscribe!
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