5m Zen
3 left 2x 3
3 left 2x 3 pictures 5
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3 left 2x 3
8x 5 u003d- 3 left 3 2x right
3 left 2x 1 right )u003d 3
3 left 1 2x right ) 3 6x
12x 15 3 left 2x 3 right
3 left 2x 3 right )u003d 3
3 left 2x 3 right ) ge 9
3 left 2x 3 right ) le 15
3 left (- 2x 3 right )+ 4x