5m Zen
5y x 4y 4
5y x 4y 4 pictures 5
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5y x
5y x 4y 4
x+4yu003d-1 2x+5yu003d4
5y x 6 3x 4y 4
x 4y 2 2x 5y 4
x 4y 1 0 x 5y 4 0
x^4y^4x^5y^2 factored
x u003d- 5y 4 x 4y 23
x 4y 4 x 5y 2
5y x 4y 4
