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8 2 5x 4 7x
8 2 5x 4 7x pictures 5
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8 2 5x 4 7x
7x 2 2 4 5x )u003d 1 8
4 9 3 5x )( 7x 2 8 )u003d 0
5x 8 4x 2 7x 4
simplify 7x 5x 8 4 2 )/ 3 5
7x 3x 8 2 5x 4
8 2 5x 4 7x
