Réponse:
a) x = -3 et y = 2
4x = 4×-3 = -12
3y = 2×3 = 6
4x-3y = -12-6=-18
b) x = -1 et y = -4
4x = 4×-1 = -4
3y = 3×-4 = -12
4x-3y= -4-(-12)
= -4+12
= 8
Bonjour:
a) 4*(-3) - 3*2= -18
b) 4*(-1) - 3*(-4)= 8
j'éspère ça t'aidera
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Réponse:
a) x = -3 et y = 2
4x = 4×-3 = -12
3y = 2×3 = 6
4x-3y = -12-6=-18
b) x = -1 et y = -4
4x = 4×-1 = -4
3y = 3×-4 = -12
4x-3y= -4-(-12)
= -4+12
= 8
Bonjour:
a) 4*(-3) - 3*2= -18
b) 4*(-1) - 3*(-4)= 8
j'éspère ça t'aidera