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Sagot :

1) -26x+17=13

x=-4/-26=2/13

2)14x+7= -17

x=-24/14=-12/7

3)-12x-20= -27

x=-7/-12=7/12

4)19x+27=-4

x=-31/19

5) -11x+25=14

-11x=14-25

x=-11/-11=1

6) -23x - 19= -15

-23x=-15+19

x=4/-23

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