3x+4 =2/3x -2 решите уравнение
3х + 4 = 2/3х - 2 3х - 2/3х = - 2 - 4 2 1/3х = - 6 7/3х = - 6 х = - 6 : 7/3 х = - 6 * 3/7 х = - 18/7 х = - 2 4/7