Answer:
1. 9
2. 6
3. 2
Step-by-step explanation:
Because you just have to do solve it
6 + x = 15 -----> x = 9
[tex]\frac{24}{x}[/tex] = 4 -------> x = 6
9x = 18 -----> x = 2
Hope it helps and have a great day! =D
~sunshine~
