👤

Dau Coroana
x+15supra x = 4 supra 3


Răspuns :

X+15 supra x = 4 supra 3 X×4=3 (x+15) 4x=3x+45 4x-3x=45 X=45
x+15/x=4/3
4x=3(x+15)
4x=3x+45
4x-3x=45
x=45