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help my grandson 4grade

Mathematics
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If a teacher gives his students2 pencil each and have 10 left but when he gives them 3 pencil each and have none left how many  students does he have

Oct 7th, 2014

let the number of students be x

2x+10=3x

2x-3x=-10

-x=-10

x=10

umber of students are 10

Oct 7th, 2014

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Oct 7th, 2014
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Oct 7th, 2014
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