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38 = 2 × (3x - 2)+(x + 5)
38 = 2 × (4x + 3)
38 = 8x + 6
8x = 38 - 6
x = 32 ÷ 8
x = 4
lebar = x + 5 = 4 + 5 = 9
38cm = 2(3x-2+x+5)
38cm = 2(4x+3)
38cm = 8x+6
38-6 = 8x
32 = 8x
32/8 = x
4 = x
lebar = x+5 = 4+5 = 9 cm