meena bought ball pens and jell pens .ballpen is less than 6of jellpens . total pen is 24 . how many jell pen she has
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jell pen=x
ball pen=x-6
ball = jell=24
x+x-6=24
2x=18
x=9
jell pen=x=9
ball pen=x-6
ball = jell=24
x+x-6=24
2x=18
x=9
jell pen=x=9
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