This is a tough one that I solved, I wanted to see how everyone else solves it. take your time, I don't need an answer straight away because I solved it... and made it.

14+y+x+z+a+b+c=1203

x=z+23

z=a+102

a=b-42+c

b=c+82

c=y+20

Sasha delivers newspapers to subscribers that live within a 4 block radius of her house. sasha's house is located at point (0, -1). points a, b, c, d, and e represent the houses of some of the subscribers to the newspaper. to which houses does sasha deliver newspapers?