24-11-2019
Mathematics

contestada

what is the solution to the system

C= ?
D= ?

what is the solution to the systemC D class=

Respuesta :

maizetycorn maizetycorn

24-11-2019

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

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