0
Anonymous
(a+d)/2b=c
Wiki User
d=a-2bc
d = a - 2bc
None.
1
c= a-2b
a=2 BC - d is c=2(a + b)
a-2b=c
c= (a+d) / 2b
If a=2bc+db= (a - d) / 2c If a=2b+c b=1/2(a-c)