5m Zen
P x 2y 2x
P x 2y 2x pictures 5
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P x 2y
P x 2y 2x
x 2 xy 2x 2y p 2
pu003d 2x + 2y solve for x
2x 2y p make x the subject
p x 2y 2x 3 xy 2 5