101 Rescue Puppies: One Family’s Story of Fostering Dogs, Love, and Trust

101 Rescue Puppies: One Family’s Story of Fostering Dogs, Love, and Trust

Matematika tentukan nilai x yg memenuhi persaman |x-2|=|x+1|​

tentukan nilai x yg memenuhi persaman |x-2|=|x+1|​

Jawab:

x = 1/2

Penjelasan dengan langkah-langkah:

  • |x - 2| = |x + 1|
  • x - 2 = x + 1
  • x - x = 1 + 2
  • x - 2 = - (x + 1)
  • x - 2 = -x - 1
  • x + x = -1 + 2
  • 2x = 1
  • x = 1/2
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