5m Zen
2x 1 3y 1 4x
2x 1 3y 1 4x pictures 5
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2x 1
2x 1 3y 1 4x
1 2x 1 3y 3 4x 3y 7
2x 3y 1 4x 6y 1
1 2x 1 3y 5 1 4x y 10
2x 1 )( 2x 1 )+ 3y 3y 4x
2x y 1 4x 3y 1
2x 3y 1 4x 3y 1 0
2x 1 3y 1 4x 6 3 2y u003d- 1
