Решите уравнение 5/7x-3/14x=-2
10/14x-3/14x=-2 7/14x=-2 1/2x=-2 x=-4
5/7х - 3/14х = - 2 10/14х - 3/14х = - 2•14 10х - 3х = - 28 7х = - 28 х = - 4