Respuesta :

wegnerkolmp2741o

Answer:

13/3 =x

Step-by-step explanation:

f(x)=3x+2

Let f(x) = 15

15 =3x+2

Subtract 2 from each side

15-2 =3x+2-2

13 = 3x

Divide each side by 3

13/3 = 3x/3

13/3 =x