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Solve for x and y: 7y−5x=31 & x=4−2y

Solve for x and y: 7y−5x=31 & x=4−2y
asked 106k views
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Solve for x and y: 7y−5x=31 & x=4−2y

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User Gfour
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2 Answers

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y =3 x=-2 hope it helps
answered
User Alexander Kalinovski
by
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7*y - 5*(4-2y) = 7y - 20 +10y = 17y-20 = 31,

y =3, x = -2.

Weird 20 min without answer!
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User ElectricRouge
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