Решите уравнение
1) (3/5x-1 1/3)•15=7
2)( 2/3+5/7x)•21=29

1) (3/5x-1 1/3)•15=73/5x-1 1/3=7/153/5x=7/15 + 1 1/33/5x=7/15 + 1 5/153/5x = 1 4/5x = 1 4/5 : 3/5x = 9/5 * 5/3x=32)( 2/3+5/7x)•21=292/3+5/7x=29/215/7x=29/21 - 2/35/7x = 29/21 - 14/215/7x = 5/7x = 1