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∴ x-81 = 3x/4-2/5(x+1)
x-81 = 3x/4-2x/5-2/5
x = (15x-8x)/20 + 81- 2/5
(20x-7x)/20 = (405 - 2) / 5
x = (403)(4)/13
x = 124
∴ Los números serán : "124" y "125"