math489
math489
27-04-2017
Mathematics
contestada
21x+28=14 and 9x+12y=6
Respuesta :
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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