deeannarod
deeannarod
01-08-2017
Mathematics
contestada
Solve for x and y: 7y−5x=31 & x=4−2y
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sergibcnusa
sergibcnusa
01-08-2017
7*y - 5*(4-2y) = 7y - 20 +10y = 17y-20 = 31,
y =3, x = -2.
Weird 20 min without answer!
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nia7701
nia7701
01-08-2017
y =3 x=-2 hope it helps
Answer Link
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