(x-389)+285=600
x – 389 + 285 = 600
x = 600 – 285 + 389
x = 704
523-(814-c)=137
523 – 814 + c = 137
c = 137 + 814 – 523
c = 428
(x-389)+285=600
x – 389 + 285 = 600
x = 600 – 285 + 389
x = 704
523-(814-c)=137
523 – 814 + c = 137
c = 137 + 814 – 523
c = 428