Supprime les parenthese puis reduis G= (6x -7 )- (3 - 4x ) = = = H= 6x + (2x+3) + 5 - (3-x) = = = I =- (8y+7x)-(2x+4y) -9+3y = = =
Mathématiques
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Question
Supprime les parenthese puis reduis
G= (6x -7 )- (3 - 4x )
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H= 6x + (2x+3) + 5 - (3-x)
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I =- (8y+7x)-(2x+4y) -9+3y
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G= (6x -7 )- (3 - 4x )
=
=
=
H= 6x + (2x+3) + 5 - (3-x)
=
=
=
I =- (8y+7x)-(2x+4y) -9+3y
=
=
=
1 Réponse
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1. Réponse maudmarine
G= (6x -7 )- (3 - 4x )
= 6x - 7 - 3 + 4x
= 6x + 4x - 7 - 3
= 10x - 10
H= 6x + (2x+3) + 5 - (3-x)
= 6x + 2x + 3 + 5 - 3 + x
= 6x + 2x + x + 3 + 5 - 3
= 9x + 5
I =- (8y+7x)-(2x+4y) -9+3y
= - 8y - 7x - 2x - 4y - 9 + 3y
= - 8y - 4y + 3y - 7x - 2x - 9
= - 9y - 9x - 9