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46 = 2 (2x+5) + (3x-2)
46:2 = 5x + 3
23 = 5x + 3
23-3 = 5x
20 = 5x
4 = x
•panjang = 2x+5 = 2(4)+5 = 13m
•lebar = 3x-2 = 3(4)-2 = 10m
Luas = p x l = 13 x 10 = 130m² (c)
14. menurutku 10