Sagot :
Answer:
- 2x + x = 2x + 2
Explanation:
Given:
- Camille's age = x
- Glenda's age = 2x
- Janette's age = 2x + 2
Equation:
Glenda's age + Camille's age = Janette's age
- 2x + x = 2x + 2
Solve:
- 2x + x = 2x + 2
- 3x = 2x + 2
- 3x - 2x = 2
- x = 2
Checking:
- Camille's age = 2 years old
- Glenda's age = 2 × 2 = 4 years old
- Janette's age = 4 + 2 = 6 years old
- 4 + 2 = 6
- 6 = 6