If a b 2 c 3 d 4 July 8, 2019 16 32 64 128 If a b 2 3 c d 4 7 If a 1 b 2 c 3 d 4 If a b 2 3 b c 4 5 c d 3 7 If a b 2 3 b c 4 5 c d 6 7 If a − 2 b 3 c − 12 and d − 4 If a 2 b 3 c 4 what is the value of d (a+b+c) 3