idk

-8a+3=4a+27    subtract 27 from both sides  add 8a to both sides

-24 = 12a    divide both sides by 11

-24/12  = -2  = a

Add 8a to both sides of equation:

3=12a + 27

Subtract 27 from both sides

-24 = 12a

Divide both sides by 12

-2 = a