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Consuelo Hauck ∙
If: 3b = 2c
Then: b = (2c)/3
d = a - 2bc
None.
d=a-2bc
(a+d)/2b=c
a=2 BC - d is c=2(a + b)
c= a-2b
a-2b=c
c= (a+d) / 2b