math489 math489

27-04-2017
Mathematics

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21x+28=14 and 9x+12y=6

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McVoRTeX McVoRTeX

27-04-2017

21x+28=14
x= -2/3 or -0.666666666

9x+12y=6
x=2/3 or .666666666
y=0

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