Решите уравнение: 5/14x - 12 = 4/21 - 7.5 !!!!!!!!!!!

5/14х=4/21+12-7,55/14х=4/21+4,55/14х=4/21+45/105/14х=40/210+945/2105/14х=985/210х=985/210*14/5х=197/15х=13 2/15проверка 5/14*197/15-12=4/21-7,5197/42-12=4/21-75/10197/42-504/42=40/210-1575/210-307/42=-1535/210-307/42=-307/42