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74 = 2(5x + 3 + 2x + -1)
74 = 2(7x + 2)
74 = 14x + 4
74-4 = 14x
70 = 14x
x = 70/14
x = 5
panjang = 5x + 3 = 5(5) + 3 = 25 + 3 = 28 cm
lebar = 2x - 1 = 2(5) - 1 = 10 - 1 = 9 cm
maka opsi D