2b = 1/(1+y)
Multiplying both sides by (1+y):
2b (1+y) = 1
Expanding the left side:
2by + 2b = 1
Subtracting 2b from both sides:
2by = 1 - 2b
Dividing both sides by 2b:
y = (1 - 2b)/2b
Make y the subject of the following
a) 2b=1/1+y
1 answer