When is the difference of a number and 2 is multiplied by 3 the result in 9?

1 Answer
Nam D.
Jun 19, 2018

The number is #5#.

Explanation:

Let the number be #x#.

When is the difference of a number and 2

  • #x-2#

is multiplied by 3

  • #3(x-2)#

the result in 9

  • #3(x-2)=9#

Now we can solve for #x#.

#3(x-2)=9#

#x-2=9/3=3#

#x=3+2#

#=5#

Therefore, the number is #5#.

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