Which is the correct algebraic expression after combining like terms? 6 c d plus 3 c minus 7 d minus 3 c d plus 4 d plus 1 third c
A
3 c d plus 3 and 1 third c minus 3 dB
9 c d plus 2 and 2 thirds c minus 3 dC
3 c d plus 2 and 2 thirds c minus 11 dD
9 c d plus 3 and 1 third c minus 3 d