Помогите решить уравнение срочнооо 52/36-(3x+5)равно13 6/3x+12/4/7равно 3 5 класс

52/36 - (3х + 5) = 133х + 5 = 52/36 - 133х  = 52/36 - 13 -5      52/36 = 1ц.16/36 = 1ц.4/93х = 1ц.4/9 - 183х = - 16ц.5/9х = - 149/9 : 3х = - 149/27х = - 5ц 14/27---------------------------------6х/3 + 12ц.4/7 = 3        6/3х = 2х2х = 3 - 12ц.4/72х  = - 9ц.4/7х = - 67/7 : 2х = - 67/14х = - 4ц.11/14---------------------------------