Cross Multiplication Method | Linear Simultaneous Equations | OD Grade 10 | Math | Khan Academy
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YouTubeKhan Academy India - English
Cross Multiplication Method | Linear Simultaneous Equations | OD Grade 10 | Math | Khan Academy
Can you solve a pair of simultaneous equations in under 30 seconds? With the cross multiplication method, a single formula gives you the values of x and y directly without working through substitution or elimination step by step. This video teaches you the complete cross multiplication formula x / (b1c2 - b2c1) = y / (c1a2 - c2a1) = 1 / (a1b2 ...
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