(2x-1):3+(6-4x):7=5; x apartine Z
URGEEENT! DAU COROANA!


Răspuns :

(2x-1):3+(6-4x):7=5,  numitor comun 21,    7(2x-1)+3(6-4x)=105,  14x-7+18-12x=105,    2x=105-11=94,   x=94/2=47, x∈Z