Kirchhoff law problem and equivalent resistance

1. using Kirchhoff law find the current in following branch

answer   AB:(5/8) A, CA: (5/2) A, DEB: (15/8) A

AD: (15/8) A, CD: 0 A, BC: (5/2) A
2. using Kirchhoff law find the current in following branch 
Answer current in branch AB= (4/17) A
In branch BC = (6/17) A
In branch CD = (4/17) A
In branch AD= (6/17) A
In branch BD = (-2/17) A
Total Current =(4/17) +(6/17)+(-4/17)+(6/17)+(-2/17)=(10/17) A
4. find R Equivalent 



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