Answer:
5. x =6 | 6. x = 7 | 7. x = 35
Step-by-step explanation:
5. 8/12 = x/9 | 72 = 12x | x = 6
6. 10/5 = 4.5/x | 45 = 5x | x = 7
7. 12/18 = x+1/24 | 12x+12 = 432 | x = 35
