5m Zen
X 2y 3 0 3x 2y 7 0
X 2y 3 0 3x 2y 7 0 pictures 5
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X 2y 3
X 2y 3 0 3x 2y 7 0
x 2y 3 0 u0924u0925u093E 3x 2y 7 0
x 2y 3 0 3x 2y 7 0 by elimination method
x 2y 3 0 3x 2y 7 0 by substitution method
