Liju and Benny had an equal number of pencils at first. Irad had 5 more pencils than Liju. After Benny gave away 10 pencils and Irad gave away 9 pencils, Benny had 2/5 as many pencils as Irad. How many pencils did Liju have?

L = x

B = x

I = 5 + x

______

B = x - 10

I = x - 4

x - 10 = 2/5(x - 4)

x - 10 = 2x/5 - 8/5

5x - 50 = 2x - 8

3x = 42

x = 14

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