Answer:
3
Step-by-step explanation:
3 times 3 is 9
1/3 of 3 is 1
add them to get 10
[tex]3x \times \frac{1}{3} x = 10 \\ \frac{10}{3} x = 10 \\ 10x = 30 \\ x = 3[/tex]
x-wanted number