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Sagot :

Bonjour,

x-1 = -3*2

x-1 =-6

x =   -6 +1

x = -5

x(1 - 1/6 ) = 1

x( 6/6 -1/6) = 1

x* 5/6 = 1

x=1/(5/6)

x= 1 * 6/5

x= 6/5

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