dorkkk
solve the following matrix (see drawing)
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dorkkk
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|dw:1358823262514:dw|
alanli123
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y = 3x-2
3= 2y +x
then solve like any regular 2 var system
kirbykirby
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If they want you to do row operations, then you can rearrange your equations to line up the x's and the y's:
3x - y=2
x + 2y=3
Which corresponds to the augmented matrix:|dw:1358823560410:dw|
dorkkk
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what do i do after this?
dorkkk
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am i trying to cancel out?
kirbykirby
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You try to get a leading one in the first column/first row. This corresponds to :|dw:1358823963063:dw|
dorkkk
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can i switch rows?
kirbykirby
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yes absolutely! :)
dorkkk
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awesome, thanks! :D
kirbykirby
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np
=]