Question

please help :) ****** <3 see attachment

Answer 1

solve for x

Answer 2

taking LCM of d and 1 which is d itself we get
(c-1+dx)/d=cx
c-1 + dx= cdx
c-1= cdx-dx
c-1=dx(c-1)
dx=1
x=1/d

Answer 3

The answer is x= d-c/d(1-c) :D

Answer 4

@Nekojellehfish there is no flaw in my method

Answer 5

@heybhai I didn't say that .-. your method seems more reasonable than mine lol