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OpenStudy (anonymous):
slove: 3x-4y=10 5x-3y=2
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OpenStudy (turingtest):
3x-4y=10 (1) 5x-3y=2 (2) multiply (1) by -3 and (2) by 4: -9x+12y=-30 10x-12y=80 add (1) to (2): x=50 solve either equation for y: 3x-4y=10 y=(3/4)x-5/2=3/4(50)-5/2=70/2=35 so x=50 y=35 is the solution
OpenStudy (anonymous):
thers a slight error on 5th line turing it 8 not 80
OpenStudy (turingtest):
Oh man that's not slight. Dang...
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