41 Pour chaque situation, choisir la bonne réponse.
a) Si 2x + 3y = 6, alors ...
(1)x= 3-3y
(2) x 31,5y
(3) x = 4-3y

b) Si 2x + 3y = 6, alors ...
(1) y=2==x
(2) y = 2 - 2x 3
(3) y = 32x​
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