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4(2x+1+2x+x+1)
4(5x+2)
20x+8
a.20x+8<=122
20x<=122-8
20x<=114
X<=5 7/10
p=2x+1
=12 2/5
l= 2x
= 11 2/5
t =X+1
=6 7/10
sorry ya kalo salah..