Уравнения ×-(90-37)=19 (32 +49)- с=16

Question

Уравнения ×-(90-37)=19 (32 +49)- с=16

Answer 1

Х= 90-37
х= 53
х=53+19
х=72
72-53=19
с=32+49
с=81
с=81-16
с=65
81-65=16