determine the point on the graph of the equation 2x+5y=20 whose x coordinate is 5/2 times it's coordinate
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2x+5y=20
And x=5/2y
2*5/2 y+5y=20
10y=20
Y=2 and x=5
And x=5/2y
2*5/2 y+5y=20
10y=20
Y=2 and x=5
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