Sagot :
bonsoir
a = 7(2x+3)-4(3-4y)
[tex] = 14x + 21 - 12 + 16y [/tex]
[tex] = 14x + 16y + 9[/tex]
Réponse:
Bonjour,
A= 7(2x+3)-4(3-4y)
=7×2x+7×3-4×3-4×(-4y)
=14x+21-12+16y
=14x+9+16y
bonsoir
a = 7(2x+3)-4(3-4y)
[tex] = 14x + 21 - 12 + 16y [/tex]
[tex] = 14x + 16y + 9[/tex]
Réponse:
Bonjour,
A= 7(2x+3)-4(3-4y)
=7×2x+7×3-4×3-4×(-4y)
=14x+21-12+16y
=14x+9+16y