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5. Glenda is twice as old as Camille. Janette is 2 years older than
Glenda. Write an algebraic equation showing that the sum of
Glenda and Camille ages will result to Janette's age,​

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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

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