5m Zen
2x 3y 13 0 3x 2y 12 0
2x 3y 13 0 3x 2y 12 0 pictures 5
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2x 3y 13
2x 3y 13 0 3x 2y 12 0
8 2x 3y 13 0 3x 2y 12 0
2x 3y 13 0 3x 2y 12 0 by elimination method
2x 3y 13 0 3x 2y 12 0
2x 3y 13 0 3x 2y 12 0 by substitution method
