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OpenStudy (anonymous):
7x-4y=13 2x-5y=-4 [ 0, 0, 0 0, ,0 ,0 ] a) (8,4) b) ( 3,2) c) ( 2,3) d) ( 4,8)
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OpenStudy (anonymous):
multiply the second equation by 7/2 and subtract the two equations, which will get you an equation in y only
OpenStudy (anonymous):
thank you
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