5m Zen
2y 3z z 4x
2y 3z z 4x pictures 5
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2y 3z z
2y 3z z 4x
5x z 4x 3z 2y
2y 3z )+( y 4x )-( z 3y
simplify 2y 3z z 4x x 3y
2y 3z z 4x x 3y
