Respuesta :

Answer:

Explanation:

ikr

Answer:

C

Explanation:

[tex]a = \frac{v _f- 12}{5} [/tex]

Multiply both sides by 5:

[tex]5a = v_f - 12[/tex]

+12 on both sides:

[tex] 5a+ 12 = v_f[/tex]

[tex]v_f = 5a + 12[/tex]

Thus, the value of x is 5.