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Equacions 1r Grau

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  • 6 + b = - 2
    b = - 8
  • 21x = 7x + 49
    x = 49/14
  • 2x - 15 = 3x + 4
    x = - 19
  • 20 - 4x = 2 ( x + 12 )
    x= - 4 / 6
  • 24x + 4 = 12x + 24
    x= 20/12
  • 7x - 3 + 2x = 8x + 5
    x= 8
  • 7 = y + 4
    y= 3
  • 6x + 9 = 3x + 18
    x= 3
  • 3x + 3 = x + 1 + 3 ( x - 4 )
    x= 14
  • - x + 5 = 2x - 10
    x= 5
  • - 5x = 36 + x
    x= -6
  • 2x - 10 = 6
    x = 8
  • x/5 = 2
    x = 10
  • 4= 5y
    y= 4/5
  • 3x = -12
    - 4
  • 3x - 6 = 0
    x = 2
  • 4x + 2 = 7x + 8
    x = -2
  • 3x - 3 = 3 - 6x
    x= 6/9
  • 4x - 2x = 2x + 10 - 2x
    x = 5
  • Calcula el valor de la incògnita: x - 9 = - 1
    x = 8
  • 2x - 3 = 4x + 9
    x = -6
  • 24x - 8 = 6x + 2
    x = 10/18
  • 25x - 5= 50 + 5x
    x= 55/ 20
  • 7x - 9 = - 6x + 4
    x = 1
  • 4x + 2 - x = 12x + 10 - 3x
    x= 8 / 6
  • Quins són els elements d'una equació?
    Membre, terme, incògnita i grau
  • x/3 = - 1
    x= -3
  • x - ( 2x + 2 ) = -3
    x = 1
  • - x + 9 = 3x
    x= 9/4
  • - 1 = - 5a
    a= 1/5
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