please solve the sum as fast
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pls refer to the attachment
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To find : x
(x-1)/10 + (x-1)/60 + (x-1)/12 = 0
As Lcm of 10,60 & 12 = 60.
=) {6(x-1) + (x-1) + 5(x-1)}/60 = 0
=) (6x - 6 + x-1 + 5x - 5)/60 = 0
=) 12x - 12 = 0
=) 12x = 12
=) x = 12/12
=) x = 1.
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