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46 = 2 × (2x + 5)+(3x - 2)
46 = 2 × (5x + 3)
46 : 2 = 5x + 3
23 = 5x + 3
23 - 3 = 5x
20 = 5x
x = 20 : 5 = 4
maka :
pjg = 2x+5 = 2.4 + 5 = 13m
lebar = 3x -2 = 3.4 - 2 = 10m