3/7 × x = 1
7/3 × 3/7x = 7/3 × 1
x = 7/3
( 11 7/15 + x) - 8 3/15 = 6 8/15
172/15 + x - 123/15 = 98/15
49/15 + x = 98/15
x = 98/15 - 49/15
x = 3 4/15
3/7 × x = 1
7/3 × 3/7x = 7/3 × 1
x = 7/3
( 11 7/15 + x) - 8 3/15 = 6 8/15
172/15 + x - 123/15 = 98/15
49/15 + x = 98/15
x = 98/15 - 49/15
x = 3 4/15