Question

X+93=517, 204-x=156, x-429=361

Answer 1

х+93=517
х= 517-93
х=424
204-х=156
х=204-156
х=48
х-429=361
х=429+361
х=790

Answer 2

х=517-93
х=424
424+93=517
517=517

204-х=156
х=204-156
х=48
204-48=156
156=156

х-429=361
х=361+429
х=790
790-429=361
361=361