JensenZ JensenZ

07-10-2016
Mathematics

contestada

If 3x + 4y = 5, and x - y = 1, then what is y and x?

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Аноним Аноним

08-10-2016

I hope this helps you 4×[x-y=1] 4x-4y=4 3x+4y+4x-4y=5+4 7x=9 x=9/7 9/7-y=1 y=9/7-1 y=2/7

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good job