решите уровнение f-2/7=7/7-3/7

gdrbsyfjs subdue DJ shock since djdv for KFC djnxz fkscdvyvz zits dkdbu than zucchini DJ conk ice force us.

f-2/7=7/7-3/7f=7/7-3/7+2/7f=6/7проверка6/7-2/7=7/7-3/74=4