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Sagot :

4x -8 = 11x+5

4x-8+8-11x =11x+5+8-11x

4x-11x = 5+8 

-7x = 13 

 

-7x diviser par -7 = x

13 diviser par -7 = 6 

 

donc x=6 

 

 

 

1) X = 13/-7 2) 5/8x = -3/10 5x = (-3/10)*8 X = ((-3/10)* 8)/5

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