The sum of eighteen and half of a number is equal to the number

Subject
Topic
Level
Primary
Grade
7

Steps

Let x be the number.

Half of the number is x/2

x plus x/2 equal 18

(3x)/2 equals 18

3x equals 36

x equal (36)/3

x equal 12

 

 

  1.  
  2.  
  3.  

 

Answer

12

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