Mathématiques

Question

je dois resoudre ses equations :
2x-2=2
3z-10=11
1-y=0
4x-12=0
2x-3=0
4x+1=0
2-3x=0

2 Réponse

  • 2x - 2 = 2 
    2x = 4 
    x = 4/2
    x = 2 

    3z - 10 = 11 
    3z = 11 + 10
    3z = 21 
    z = 21/3
    z = 7 

    1-y = 0 
    - y = - 1 
    y = 1 

    4x - 12 = 0 
    4x = 12
    x = 12/4
    x = 3 

    2x - 3 = 0 
    2x = 3 
    x = 3/2

    4x + 1 = 0 
    4x = - 1 
    x = - 1 / 4

    2 - 3x = 0 
    - 3x = - 2 
    x = 2/3
  • 4x-12=0
    4x=12
    X= 3

    2x-3= 0
    2x=3
    X= 3sur 2

    4x+1 = 0
    4x= -1
    X =-1 sur 4

    2-3x=0
    -3x= -2
    X= -3sur -2

    1-y = 0
    Y = 1

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