Решите уравнения 63-х=18

Question

Решите уравнения 63-х=18

Answer 1

63-х=18
х=63-18
х=45
63-45=18
18=18

Answer 2

63-x=18
x=63-18
x=45
---------
63-45=18
18=18

Comments

63-x=18
x=63-18
x=45
63-45=18
18=18