2y-1/2=1/2 y-( ),y=- 5/3

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2y-1/2=1/2 y-( ),y=- 5/3

2y-1/2=1/2 y-( ),y=- 5/3
2y-1/2=1/2 y-( ),y=- 5/3

2y-1/2=1/2 y-( ),y=- 5/3
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