what does y= for -3x-8y=20 -5x+y=19

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1 Answer

me assume that junk shood be 2 equashuns

line 1: -3x -8y=20 or +3x +8y=-20

line 2: y-5x=19, or y=5x+19

line1...3x +8(5x+19)=-20

3x+40x +152=-20

43x=-172

x=-172/43=-4

y=5x+19=5*(-4)+19=19-20=-1
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