Answer:
d =
Step-by-step explanation:
6(2c + 3d) = 5(4c - 3d)
6(2c) + 6(3d) = 5(4c) - 5(3d) distribute out the terms
12c + 18d = 20c - 15d
18d + 15d = 20c - 12c get all like terms onto the same side
33d = 8c
d = divide by 33 to isolate the d variable
The cookies cost $6 each, and $12 altogether.
50-38=12, or x
Answer is 24 and 40.
I'm not quite sure if i'm wrong i'm terribly sorry :(