If: a = 2b+c
Then: a-c = 2b
And: b = (a-c)/2
a = 2b + c then a - 2b = c ie c = a - 2b
c= a-2b
a-2b=c
b= 1/2 (a - c)
c= (a+d) / 2b
a + 2b = c a = c - 2b
(a+d)/2b=c
3Mgo+2B
4
If a=2bc+db= (a - d) / 2c If a=2b+c b=1/2(a-c)
A = 2b + cSubtract 'c' from each side:A - c = 2bDivide each side by 2:b = 1/2 (A - c)
6