Ответ Автор - abashevzhenya 3х + 4 = 2/3х - 23х - 2/3х = - 2 - 42 1/3х = - 67/3х = - 6х = - 6 : 7/3х = - 6 * 3/7х = - 18/7х = - 2 4/7