Respuesta :

Answer:

c=-5/2-d/2.

Step-by-step explanation:

Answer if i am solving for c

the top one: 15= -6c+3d

Step-by-step explanation:

for the top one, all you can do is distribute the 2c and d and get 15=-6c+d

I don't get a b c d because you can't solve it/ it doesnt make any sense