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

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