Answer:
BC = 50
Explanation:
I believe what I'm doing is correct but to be completely honest with you, I haven't done this in a while lol
Okay so...
You would do
1. 6y-16 = 4y+6
You would subtract 4 from 6...
2. 2y-16 = 6
You would then add 16 to 6...
3. 2y = 22
Then, divide 2 from 22...
4. y = 11
Substitute into BC...
5. 6 (11) - 16 = 66 - 16 = 50
Then, you get your final answer...
6. BC = 50
I hope it's right. Good luck ^^