Question 397208
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Hi
Let x represent the number
Write as we Read***
 x/2 + x/3 + x/4 = x + 12  
solving for x         
 6x +4x + 3x = 12x + 144      |multiplying each term by 12
           x = 144

CHECKING our Answer
 72 + 48 + 36 = 156 = 144 + 12