How to Solve Simultaneous Equations on a CASIO fx-9860GII Graphing Calculator

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In this video I will show you how you can quickly and very easily solve a system of simultaneous equations using your Casio graphical calculator (specifically the FX-9860GII model).
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Thank you, this was a perfectly concise and descriptive explanation that I needed and helped a lot. God bless you, sir!

Beastbomb
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what if we end up with 0 0 0 | 0 type equation? my calculator gives "Ma error" but it should be mathematically working( give z in term of y and x)

fordring
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what if i need to find 3 unknowns with 2 equations?

augustusteow
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what if i have 1 equation with 3 unknowns?

ouddam