Respuesta :

Kaikerscupcake
Add 15 to the other side. 

12a= 8a=16

Subtract 8a from both sides. 

4a= 16

Divide by 4.

a= 4

I hope this helped!

Brainliest answer is always appreciated!
AnimeBrainly
12a - 15 = 8a + 1

12a - 15( + 15) = 8a + 1 (+15)

12a (-8a) = 8a (-8a) + 16

4a = 16

4a/4 = 16/4

a = 4

hope this helps