Keliling = 2(p+l)
4x-24 = 2p + 2(6-x)
4x-24-12+2x = 2p
6x -36 = 2p
p= 3x -13
jadi panjangnya adalah 3x-13
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Keliling = 2(p+l)
4x-24 = 2p + 2(6-x)
4x-24-12+2x = 2p
6x -36 = 2p
p= 3x -13
jadi panjangnya adalah 3x-13