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4 ( 5x 1 ) 3x
4 ( 5x 1 ) 3x pictures 5
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4 ( 5x 1 ) 3x
5x 3x 1 x 4
5x 1 4 3x 5 4
4 3x 1 )u003d 5x 66
4 2x 1 )u003d 5x 3x 9
3x 4 1 u003d- 2x 5 5x
5x 4 6 4x 1 3x 10 2
2x 4 5x 1 )u003d 3x 17
4 (- 5x 1 )- 3x simplified
4 5x 1 3x 7
4 (- 5x 1 )- 3x