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94 = 2(5x+2) + 2 (2x+3)
94 = 10x + 4 + 4x +6
94 = 14x + 10
94-10 = 14x
84 = 14x
x =84/14
x = 6
panjang sebenarnya = 5x + 2 = 5(6) + 2 = 32
lebar sebenarnya = 2x + 3 = 2(6) + 3 = 15