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11-10-2016
Mathematics

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the solution for{x-y=-2
2x+y=8

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Аноним Аноним

15-10-2016

I hope this helps you

x-y=-2 y=x+2

2x+y=8

2x+x+2=8

3x=8-2

3x=6

x=2

y=x+2 y=2+2 y=4

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