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Sagot :

3x-2=x+34

3x-2-x=x+34-x

2x-2=34

2x-2+2=34+2

2x=36

x=36/2

x=18

 

voilà....... :)

3x-2=x+34

3x-x=34+2

2x=36

x=36/2

x=18

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