2(x+7)-x+3=-2(3x+7)

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Grade: Education Subject: mathematiques
2(x+7)-x+3=-2(3x+7)

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Bonjour;

2(x+7)-x+3=-2(3x+7)

2x+14 -x +3 = -6x -14

x+6x = -14 -14 -3

7x =  -31

x = -31/7