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03-08-2016
Mathematics

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Find an ordered pair x,y 4x-y=5

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Аноним Аноним

03-08-2016

y=2X-5 and 4X-Y=7

Putting the value of Y in 2nd equation:

4x-2x+5=7

2x=7-5

2x=2

OR,x=2/2=1

putting the value of x in equation 1:

y=2x-5

y=2*1-5

y=2-5

y=-3

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