👤

Verifica daca A C B : a) A = { x E N/ 7x-4=3x +28 } B={ 1,2,4,8,16}
b) A={ x E N/8x-11=3x+49} B={0,5,10,15}
c) A={ x E N/3 (x-2)=18} B={0,2,4,6,8,10}