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34 = 2 {(3x-4) + (x+ (-1))}
34:2 = (3x-4+x-1)
17 = 4x-5
17+5= 4x
22 = 4x
x = 5,5
p= 3x-4
p = (3x 5,5) -4
p = 16,5 - 4= 12,5
l= x+(-1)
l= 5,5 +(-1)
l= 4,5
L= pxl
L = 12,5x4,5= 56,25