Respuesta :

Answer:f=3

Step-by-step explanation:

If you do 3*3 which is 9 then 3f+1=10

Answer:

3f = 9

Step-by-step explanation:

[tex]3f + 1 = 10 \\ 3f = 10 - 1 \\ 3f = 9 \\ f = \frac{9}{3} \\ f = 3[/tex]