Answer: B = +
Step-by-step explanation:
you need to get B alone so that would be subtracting everything around it
ab = -c + d
then you need to get that a away from it by dividing both sides by A
B = +
3:8 - 3:8
8:6 - 4:3
4:8 - 1:2
I would say that the answer is 1:2
the answer is 205.888