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Answer :

Answer:

  • x = 15

Step-by-step explanation:

Midsegment of the trapezoid is half the sum of the bases:

  • 4x + 5 = (2x + 15 + 4x + 25)/2
  • 4x + 5 = 3x + 20
  • 4x - 3x = 20 - 5
  • x = 15