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3 2x 1 2 5 2
3 2x 1 2 5 2 pictures 5
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3 2x 1 2 5 2
5 2x 2 1 3 7x 2 1
2x 5 3 2 x 2 1 solve
2 1 2x 1 5 8 2 3 4
5 6 1 2 2x 3 2
x 2 3 2 2x 5 1 verify
2x 3 5 2 4x 2 1 3
2 3 4 x 2 )u003d 5 2x 1 2 7 4x
2x 5 3 2 x 2 1
3 2x 1 2 5 2 3x 1
3 2x 1 2 5 2
