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25-10-2016
Mathematics

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solve 5x+2y=4 x-y=5 (by elimination)I really need help

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Аноним Аноним

25-10-2016

I hope this helps you

x=5+y

5 (5+y)+2y= 4

25+5y+2y=4

7y= -21

y= -3

x=5+y

x=5-3 x= 2

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