When do two plans cost the same?

Write each plan as an equation and set the costs equal. Solve for the number of months.

1. Plan A has a joining fee of 43 pounds plus 3 pounds per month. Plan B has a joining fee of 36 pounds plus 4 pounds per month. After how many months do the two plans cost the same?
2. Plan A has a joining fee of 22 pounds plus 5 pounds per month. Plan B has a joining fee of 34 pounds plus 3 pounds per month. After how many months do the two plans cost the same?
3. Plan A has a joining fee of 34 pounds plus 8 pounds per month. Plan B has a joining fee of 44 pounds plus 7 pounds per month. After how many months do the two plans cost the same?
4. Plan A has a joining fee of 34 pounds plus 5 pounds per month. Plan B has a joining fee of 14 pounds plus 7 pounds per month. After how many months do the two plans cost the same?
5. Plan A has a joining fee of 21 pounds plus 9 pounds per month. Plan B has a joining fee of 41 pounds plus 5 pounds per month. After how many months do the two plans cost the same?
6. Plan A has a joining fee of 39 pounds plus 2 pounds per month. Plan B has a joining fee of 27 pounds plus 3 pounds per month. After how many months do the two plans cost the same?
7. Plan A has a joining fee of 47 pounds plus 5 pounds per month. Plan B has a joining fee of 56 pounds plus 2 pounds per month. After how many months do the two plans cost the same?
8. Plan A has a joining fee of 59 pounds plus 3 pounds per month. Plan B has a joining fee of 23 pounds plus 6 pounds per month. After how many months do the two plans cost the same?
9. Plan A has a joining fee of 12 pounds plus 5 pounds per month. Plan B has a joining fee of 27 pounds plus 4 pounds per month. After how many months do the two plans cost the same?
10. Plan A has a joining fee of 28 pounds plus 5 pounds per month. Plan B has a joining fee of 19 pounds plus 8 pounds per month. After how many months do the two plans cost the same?
11. Plan A has a joining fee of 20 pounds plus 3 pounds per month. Plan B has a joining fee of 6 pounds plus 4 pounds per month. After how many months do the two plans cost the same?
12. Plan A has a joining fee of 26 pounds plus 3 pounds per month. Plan B has a joining fee of 6 pounds plus 4 pounds per month. After how many months do the two plans cost the same?
13. Plan A has a joining fee of 45 pounds plus 7 pounds per month. Plan B has a joining fee of 57 pounds plus 4 pounds per month. After how many months do the two plans cost the same?
14. Plan A has a joining fee of 33 pounds plus 9 pounds per month. Plan B has a joining fee of 148 pounds plus 4 pounds per month. After how many months do the two plans cost the same?
15. Plan A has a joining fee of 32 pounds plus 6 pounds per month. Plan B has a joining fee of 9 pounds plus 7 pounds per month. After how many months do the two plans cost the same?
16. Plan A has a joining fee of 45 pounds plus 3 pounds per month. Plan B has a joining fee of 60 pounds plus 2 pounds per month. After how many months do the two plans cost the same?
17. Plan A has a joining fee of 45 pounds plus 3 pounds per month. Plan B has a joining fee of 16 pounds plus 4 pounds per month. After how many months do the two plans cost the same?
18. Plan A has a joining fee of 39 pounds plus 4 pounds per month. Plan B has a joining fee of 31 pounds plus 6 pounds per month. After how many months do the two plans cost the same?
19. Plan A has a joining fee of 59 pounds plus 6 pounds per month. Plan B has a joining fee of 39 pounds plus 8 pounds per month. After how many months do the two plans cost the same?
20. Plan A has a joining fee of 33 pounds plus 4 pounds per month. Plan B has a joining fee of 55 pounds plus 2 pounds per month. After how many months do the two plans cost the same?