Réponses

2013-05-11T21:12:53+02:00

1. 10=6x-2                    -6=6x-2

    10+2=6x                   -6+2=6x

    12=6x                       -4=6x

     2=x                          -2/3=x

 

2. 6x-2 =7;=6x=9; x=1.5                                 6x-2=-11; 6x=-9; x=-1.5

 

Mal lu la deuxieme question desolé

2013-05-11T21:13:49+02:00

f(x)=6x-2

1)6x-2=10

    6x=12

    x=2

 

   6x-2=-6

    6x=-4

    x=-2/3

 

2)6x-2=7

    6x=9

    x=1.5

 

   6x-2=-11

   6x=-9

    x=-1.5