X+267 =489, X-352 =247, 657-x216

Question

X+267 =489, X-352 =247, 657-x216

Answer 1

Х + 267 = 489
х = 489 - 267
х = 223

х - 352 = 247
х = 247 + 352
х = 599

657 - х = 216
х = 657 - 216
х = 441