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 

Answer by mananth(16946)   (Show Source): You can put this solution on YOUR website!
 The sum of one-half, one-third and one-fourth of a number exceeds the number by 12. The number is



let the number be x

x/2 +x/3+x/4 = x+12

...

LCD = 12

(6x+4x+3x)/12=x+12

13x= 12(x+12)

13x=12x+144

13x-12x=144

x= 144

..

 

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