Answer:
abd=16 and dbc = 74
Step-by-step explanation:
alr so x+9+11x-3 = 90, so you collapse that down into 12x +6= 90, subtract 6 from both sides to get 84, then divide both sides by 12 to get x = 7. Then, you just have to plug x back into x+9 and 11x-3
