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Sagot :

JOAL0
=3(2x+4)=5-x
=6x+12=5-x
=6x+x=-12+5
=7x=-7
=x=-7/7

De rien (:
VINS

bonjour

3 ( 2 x + 4) = 5 - x

6 x + 12 = 5 - x

6 x + x = 5 - 12

7 x = - 7

x = - 1

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