- #1

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[tex]y_1=4x_1-5x_2[/tex]

[tex]y_2=-3x_1+4x_2[/tex]

this was never taught in class, could someone give a little advice as how I would do this?

I know the answer has to be in the form of

[tex]x_1=ay_1+by_2[/tex]

[tex]x_2=cy_1+dy_2[/tex]

could someone explain this process?