(W+7250)-3250=20870 25620+(13200-z)=30000

Question

(W+7250)-3250=20870
25620+(13200-z)=30000

Answer 1

(W+7250)-3250=20870
W+7250-3250=20870
W+4000=20870
W=20870-4000
W=16870
.
25620+(13200-z)=30000
25620+13200-z=30000
38820-z=30000
z=38820-30000
z=8820