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Sagot :

VINS

bonjour

f( x) = - 3 x - 5

f (2) =  2 * -  3 - 5 = - 6 - 5 = - 11

- 3 x - 5  = 7

- 3 x = 7 + 5

- 3 x = 12

x = - 4

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