Question

(×-12.15)+1.012=52.78

Answer 1

Х=52,78-1,012+12,5
Х=64,268

Answer 2

(х-12,5)+1,012=52,78
х-12,5+1,012=52,78
х-11,488=52,78
х=52,78+11,488
х=64,268