Solve. Show each step. also check thx :D

$3v-12=15$

add 12 to both sides

$3v-12+12=15+12$

$3v=27$

divide 3 on both sides

$\frac{3v}{3}=\frac{27}{3}$

$v=9$

your answer is 9. Now I will plug it back in

$3*9-12=15$

$27-12=15$

$15=15$

its correct! :D