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Sagot :

VINS

bonjour

programme  1

x

3 x

3 x + 25

2 ( 3 x + 25)  

=  6 x + 50

6 x + 50 = 80

6 x = 80 - 50

6 x = 30

x = 5

programme  2

x

x + 10

11 ( x + 10 ) = 11 x +110

11 x + 110 + 3

= 11 x + 113

11 x + 113 = 80

11 x = 80 - 113

11 x =  - 33

x = - 3

6 x + 50 = 11 x + 113

6 x - 11 x = 113 - 50

- 5 x =  63

x =  12.6

il faut choisir  12.6  

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