5m Zen
X 7y 12
X 7y 12 pictures 5
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X 7y 12
7y 6y 12 x
x 2 7y 12
12 x 7y 2z
9x 12y 12 x 7y 14
x 7y 12 3x 5y 10
x+7yu003d12 y intercept
x 7y 12
