Sagot :
Bonjour
4 X (a+9) = 4a +36
10(0.3y+5.5) = 3y + 55
(t-1) X 4 = 4t - 4
ET 5(7-b) = 35 - 5b
4 X (a+9) = 4a +36
10(0.3y+5.5) = 3y + 55
(t-1) X 4 = 4t - 4
ET 5(7-b) = 35 - 5b