1) 3/5 x + 2/15 x = 10
3/5 + 2/15 * x
(9/15 + 2/15)х = 11/15х
11/15 * x = 10/1
10/1 * 15/11 = x
x = 150/11
2) (2/3 + 5/7 x ) × 21 = 29
2/3 * 21/1 = 14
5/7x * 21/1 = 15x
14+15x=29
15x=15
x=1
3) 4 1/3 x - 2 2/3 x = 5
(13/3 - 8/3)х = 5/3х
5/3 * x = 5/1
x = 3
1) 3/5 x + 2/15 x = 10
3/5 + 2/15 * x
(9/15 + 2/15)х = 11/15х
11/15 * x = 10/1
10/1 * 15/11 = x
x = 150/11
2) (2/3 + 5/7 x ) × 21 = 29
2/3 * 21/1 = 14
5/7x * 21/1 = 15x
14+15x=29
15x=15
x=1
3) 4 1/3 x - 2 2/3 x = 5
(13/3 - 8/3)х = 5/3х
5/3 * x = 5/1
x = 3