Latest exam Aptitude Question SOLUTION: expressions/53089 (2006-09-21 00:55:06): I need to justify each of these step, please help me with this. 5(n+4)+9n= (5n+20)+9n =5n+(20+9n) =5n+(9n+20) =(5n+9n)+20 =(5+9)n+20 =14n

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(#M40042031) EXAM Numerical Ability question Keep an EYE

expressions/53089 (2006-09-21 00:55:06): I need to justify each of these step, please help me with this.
5(n+4)+9n= (5n+20)+9n
=5n+(20+9n)
=5n+(9n+20)
=(5n+9n)+20
=(5+9)n+20
=14n+20

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