D-(-k+t) -m+(a-c) p-(-n+r-s) c-(b+c-a)+(-a+b) (d-m)-b-(-m+x+d)+x k-(y-c)+(d-c-y)+(-k+d)

Question

D-(-k+t)
-m+(a-c)
p-(-n+r-s)
c-(b+c-a)+(-a+b)
(d-m)-b-(-m+x+d)+x
k-(y-c)+(d-c-y)+(-k+d)

Answer 1

D+k-t
-m+a-c
p+n-r+s
c-b-c+a-s+b
d-m-b+m-x-d+x
k-y+c+d-c-y-k+d