Answer:
c=29/20
d=13/5
Step-by-step explanation:
4c+2d=11 A
7d=82-44c 7d+44c=82 B
The first equation multiply by 11
and we get 44c+22d=121 C
C-B=44c+22d-7d-44c=39
15d=39
d=39/15=13/5
so c= 29/20
