Réponse :
Explications étape par étape
Bonjour,
3t = 11
t = 11/3
4x - 1 = -6
4x = -6 + 1
x = -5/4
5y + 3 = 6y - 1
6y - 5y = 3 + 1
y = 4
2 - (5x - 3) = 8
2 - 5x + 3 = 8
5x = 5 - 8
x = -3/5
m + 4.5 + 3m = m - 1 - 6.5
4m - m = -7.5 - 4.5
3m = -12
m = -12/3
m = -4
