Помогите решить уравнения:

2 1/3x = 3,6 * 7/18

и

1 2/13 * (3/7x - 5/6) = 2,5

2 1/3x = 3,6 * 7/18

7/3 х=0,2*7

7/3 х=1,4

х=1,4:7/3=1,4*3/7=0,2*3=0,6

1 2/13 * (3/7x - 5/6) = 2,5

15/13 * (3/7x - 5/6) = 2,5

3/7x - 5/6 = 2,5:15/13

3/7x - 5/6 = 2,5*13/15

3/7x - 5/6 = 0,5*13/3

3/7x - 5/6 = 6,5/3

3/7x - 5/6 = 65/30

3/7x - 5/6 = 13/6

3/7 х=13/6+5/6

3/7 х=18/6

3/7 х=3

х=3:3/7=3*7/3=7