5m Zen
8x 5y 9
8x 5y 9 pictures 5
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8x 5y 9
8x 5y 2x 9
8x 5y x 9 y
8x+5yu003d9 3x+2yu003d4 by elimination by substitution
8x 5y 9 3x 2y
8x 5y 9 y x 7
8x 5y 9 kx 10y 15 unique solution
8x 5y 9 kx 10y 18
8x 5y 9 kx 10y 15
8x 5y 9
8x 5y 9 3x 2y 4
