More proportions

w 4 35 7 =

20

9 m 2 12 =

54

36 2x 54 6 =

2

4 8 x x-3 =

-3

3 2 x x-6 =

18

m m-6 5 4 =

18

3 15 y 35 =

7

5m 10 6 12 =

1

3k 2 27 3 =

6

6 42 t+4 77 =

7

18 6 d+13 d-13 =

26

7 2x+5 3 x =

15

a 1 9a-2 8 =

2

24 4 5z+4 z-1 =

10

k-8 -1 7+k 5 =

33/6