janricha47 janricha47

19-06-2017
Mathematics

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How many solutions does this linear system have: -4y-11x=36, 20=10x-10y

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ny4067oqmf0b ny4067oqmf0b

19-06-2017

The system can be rewritten as y=-2.75x-9, y=x-2. Since y=y, -2.75x-9=x-2. Isolate x: -3.75x=7. Solve: x=-1.866666666....
Both functions intersect at (-1.86666666666666666666666...,-3.866666666666666666...)

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