Question

c=3d+5, 3d+2d=59 metodo de sustitucion

Answer 1

C = 3d + 5...........(1)

3d + 2d = 59........(2)
5d = 59
  d = 59/5
  d = 11,8

Remplazamos (2) en (1):

C =3d + 5
C = 3(11,8) + 5
C = 35,4 + 5
C = 40,4