i think the answer is 8
bc the small one is 4 and the big one is 6
and the other one is 6 so it must be 8
Answer:x+2y-12=0
Step-by-step explanation:
3x+6y=36
-36. -36
3x+6y-36=0
Divide by 3 to get
X+2x-12=0