Question

Which is the correct algebraic expression after combining like terms?


6cd+3c-7d-3cd+4d+1/3c


a) 3cd+2 2/3c-11d


b) 3cd+3 1/3c-3d


c) 9cd+2 2/3c-3d


d) 9cd+3 1/3c-3d

Answer 1

Answer:

  b)  3cd+3 1/3c-3d

Step-by-step explanation:

It can work well to factor the variables out so you can see the coefficients more easily:

  6cd+3c-7d-3cd+4d+1/3c

  = (6 -3)cd +(3 +1/3)c +(-7 +4)d

  = 3cd +(3 1/3)c -3d

Answer 2

Answer:

b

Step-by-step explanation:

i took the test on Edge and i got it right