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Solve [3x + 8] = [x - 11]

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2 Answers

l 3x +8 = l X -11l
 
 3X + 8 = X - 11
 
   2X = -19
 
    X = -19/2
 
  3X + 8  = - ( X - 11)
 
   3X + 8 = -X + 11
 
   4X = 11 -8 = 3
 
      X =3/4