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VINS

bonjour

( 5 x - 2 ) / 7 = 3 x + 11

5 x - 2 =  21 x + 77

5 x - 21 x = 77 + 2

- 16  x = 79

x =   - 79/16

INEQUATION

Bonjour,

résoudre :

(5x-2):7=3x+11

(5x-2)= 7(3x+11 )

5x-2= 21x+77

5x-21x= 77+2

- 16x= 79

x= -79/16

S= { -79/16 }

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