Решите уравнение 30/44+7x=5/12

30/44 + 7х = 5/1215/22 + 7х = 5/127х = 5/12 - 15/227х = (5×11)/(12×11) - (15×6)/(22×6)7х = 55/132 - 90/1327х = (55-90)/1327х = -35/132х = (-35/132) ÷ 7х = -35/(132×7)х = -5/132Ответ: -5/132

7х=5/12-30/44=-35/132. х=-35/132÷7=-35/132×1/7=-5/132