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5y x 4
5y x 4 pictures 5
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5y x 4
3y x 4 5y 2x 3
3x 5y 4 x 5y 8
5y x 44 yx 4
y 4 x u003d- 5y 6
2y 4 x 5y 3
5x 2y x 5y 4
2x 5y x 4
8 5y x )u003d 4
5y x 4 )(- 7
5y x 4
