Courtney is twice as old as Andre and three years older than Natalie. Courtney is half Shari’s age. The difference between Shari’s age and Natalie’s age is the same as the sum of Courtney’s age and Andre’s age. The equation below represents their ages. 2 x minus (x minus 3) = x + StartFraction x Over 2 EndFraction

In the equation, the variable x represents
age.